Grow a Butterfly Bush: Attract Nature to Your Garden! - Plant Care Guide
Learning how to grow a butterfly bush is a fantastic way to bring beautiful winged creatures right to your backyard. These easy-to-care-for shrubs are known for their abundant, fragrant flowers that act as a magnet for butterflies, making them a popular choice for gardeners aiming to create a lively, dynamic space.
What is a Butterfly Bush and Why Grow One?
A butterfly bush (scientific name Buddleja davidii or Buddleia davidii) is a deciduous shrub famed for its long, cone-shaped flower clusters that bloom throughout summer and into fall. These flowers are rich in nectar, making them irresistible to various butterfly species, as well as bees and hummingbirds. Understanding how to grow a butterfly bush involves appreciating its ornamental value and its significant role in supporting pollinators.
Key Characteristics of Butterfly Bushes
- Vibrant Blooms: Flowers come in shades of purple, pink, white, and yellow.
- Fragrance: Many varieties have a sweet, honey-like scent.
- Pollinator Magnet: As the name suggests, they are excellent for attracting butterflies and other beneficial insects.
- Fast-Growing: They can grow quite quickly, reaching mature size in just a few seasons.
- Deer Resistant: Generally, deer tend to leave them alone.
Where Should You Plant Your Butterfly Bush?
Choosing the right location is crucial when you're considering how to grow a butterfly bush successfully. The ideal spot will provide the conditions this shrub needs to flourish and produce an abundance of nectar-rich flowers.
- Sunlight: Butterfly bushes thrive in full sun, meaning they need at least six to eight hours of direct sunlight per day. More sun generally means more flowers. If planted in too much shade, they will become leggy (long and stretched out) and produce fewer blooms.
- Soil: They prefer well-draining soil. While they are quite adaptable, consistently wet or waterlogged soil can lead to root rot. If you have heavy clay soil, consider amending it with organic matter like compost to improve drainage.
- Protection: In colder climates (Zones 5 and 6, sometimes 7), strong winter winds can be damaging. Planting your butterfly bush in a somewhat sheltered location, perhaps near a fence or building, can offer some protection.
- Space: Consider the mature size of the variety you choose. Some dwarf varieties stay small, while others can grow quite large (up to 10-15 feet tall and wide). Give your bush enough room to spread without crowding other plants.
How Do You Prepare the Soil for a Butterfly Bush?
Proper soil preparation is a foundational step in learning how to grow a butterfly bush that will be healthy and vigorous. While these bushes are known for their tolerance, providing them with a good start will ensure robust growth and prolific flowering.
Soil Drainage is Key
The most important soil requirement for a butterfly bush is excellent drainage. They absolutely do not like "wet feet," meaning their roots sitting in soggy soil.
- Why it Matters: Poor drainage can lead to root rot, a fungal disease that can quickly kill the plant.
- How to Check: Dig a hole about 1 foot deep and fill it with water. If the water drains away within an hour or two, your drainage is good. If it sits there for many hours or overnight, you have a drainage problem.
Amending the Soil
If your soil has poor drainage or is very heavy clay, you'll need to amend it.
- Add Organic Matter: Incorporate a generous amount of organic matter such as compost, well-rotted manure, or pine bark fines. This will improve soil structure, increase aeration, and enhance drainage.
- Mixing: Mix the organic matter thoroughly with the existing soil in the planting area, not just in the planting hole. This creates a more uniform environment for the roots to grow into.
Soil pH
Butterfly bushes are fairly adaptable when it comes to soil pH, tolerating a range from slightly acidic to slightly alkaline (around 6.0 to 7.0 is ideal). Unless your soil is extremely acidic or alkaline, you likely won't need to adjust the pH.
- Soil Test: If you're unsure about your soil's pH or nutrient levels, a soil test can provide valuable information. You can use a soil test kit or send a sample to your local extension office.
No Excessive Fertilizing
Avoid adding too much fertilizer to the planting hole. A butterfly bush does not need exceptionally rich soil to thrive.
- Over-Fertilizing Risks: Too much nitrogen, in particular, can promote leafy growth at the expense of flowers. It can also burn the roots of a young plant.
- Initial Feeding: The organic matter you add will provide sufficient nutrients for the plant to get established.
How Do You Plant a Butterfly Bush?
Once you've chosen your location and prepared your soil, the actual planting process for how to grow a butterfly bush is straightforward. Proper planting ensures your shrub gets a healthy start.
Best Time to Plant
- Spring: The ideal time to plant a butterfly bush is in spring after the danger of the last frost has passed. This gives the plant the entire growing season to establish its root system before winter.
- Early Fall: In warmer climates (Zone 7 and above), you can also plant in early fall, giving the roots time to settle before the ground freezes.
Planting Steps
- Dig the Hole: Dig a planting hole that is as deep as the root ball and two to three times as wide. This gives the roots plenty of loosened soil to spread into.
- Remove from Container: Carefully remove the butterfly bush from its nursery container. If the roots are circling tightly at the bottom, gently tease them apart or make a few vertical cuts with a clean knife to encourage outward growth.
- Place the Plant: Set the plant in the center of the hole. The top of the root ball should be level with, or slightly above, the surrounding soil line. This is particularly important for clay soils to ensure good drainage away from the crown.
- Backfill: Begin to backfill the hole with the amended soil, gently tamping it down to remove large air pockets. Avoid compacting the soil too much, as this can hinder root growth.
- Water Thoroughly: After backfilling, water the plant deeply and slowly. This helps settle the soil around the roots and eliminates any remaining air pockets. A watering can or a soaker hose is effective.
- Mulch (Optional but Recommended): Apply a 2-3 inch layer of organic mulch (such as shredded bark, wood chips, or pine needles) around the base of the plant. Keep the mulch a few inches away from the stem to prevent moisture buildup and potential rot. Mulch helps retain soil moisture, suppress weeds, and regulate soil temperature.
Initial Care After Planting
- Regular Watering: For the first growing season, water your newly planted butterfly bush regularly, especially during dry spells. The goal is to keep the soil consistently moist but not soggy, allowing the roots to establish.
- No Fertilizer: As mentioned, avoid fertilizing in the first year. The plant needs to focus on root development.
By following these planting steps, you'll be well on your way to successfully how to grow a butterfly bush that will flourish in your garden.
How Do You Care for a Butterfly Bush?
Once established, caring for a butterfly bush is relatively low-maintenance, making it an excellent choice for busy gardeners. However, understanding a few key care practices is essential when you're mastering how to grow a butterfly bush for continuous bloom and healthy growth.
Watering
- Established Plants: Once established (typically after the first year), butterfly bushes are quite drought-tolerant. They generally only need supplemental watering during prolonged dry periods or extreme heat.
- Signs of Thirst: Drooping or wilting leaves are a clear sign your bush needs water.
- Deep Watering: When you do water, water deeply to encourage roots to grow further down into the soil, making the plant more resilient.
Fertilizing
- Light Feeder: Butterfly bushes are not heavy feeders. Excessive fertilizer, especially high-nitrogen fertilizers, can lead to more leafy growth and fewer flowers.
- When to Fertilize: If your plant seems to be struggling or if your soil is very poor, you can apply a balanced granular slow-release fertilizer in early spring, just as new growth begins. Follow the product instructions carefully.
- Compost: A layer of compost around the base of the plant in spring can also provide a gentle, slow release of nutrients.
Pruning
Pruning is one of the most important aspects of how to grow a butterfly bush effectively. It promotes vigorous growth and abundant flowering.
- When to Prune: The best time to prune a butterfly bush is in late winter or early spring (February to April, depending on your climate), just as new growth is emerging. Avoid pruning in the fall, especially in colder climates, as new growth could be damaged by frost.
- Why Prune:
- Encourages Blooms: Butterfly bushes bloom on new wood (current season's growth), so heavy pruning encourages more new branches and thus more flowers.
- Maintains Shape and Size: Prevents the bush from becoming overgrown or leggy.
- Removes Dead/Damaged Wood: Improves plant health.
- How to Prune (Hard Pruning):
- Use sharp, clean pruning shears or loppers.
- Cut back the entire plant to about 6-12 inches from the ground, leaving a framework of the strongest stems.
- Remove any dead, diseased, or crossing branches.
Deadheading
Deadheading is the process of removing spent (faded) flowers.
- Why Deadhead:
- Promotes More Blooms: By removing old flowers, you prevent the plant from putting energy into seed production and encourage it to produce more new blooms.
- Tidier Appearance: Keeps the plant looking neat and attractive.
- How to Deadhead: Simply snip off the faded flower clusters just above the next set of leaves or a developing side shoot.
Winter Protection (in Colder Zones)
In USDA Hardiness Zones 5-6 (and sometimes 7), butterfly bushes can sometimes suffer dieback during harsh winters, acting more like herbaceous perennials (dying back to the ground).
- Mulching: Apply a thick layer (4-6 inches) of mulch around the base of the plant in late fall after the ground has frozen. This helps insulate the crown and roots.
- Don't Prune in Fall: Avoid pruning in the fall, as the stems can offer some winter protection to the crown. Prune in spring.
What Are Common Problems with Butterfly Bushes?
While relatively tough, even when you know how to grow a butterfly bush, you might encounter a few common issues. Being aware of these can help you identify and address problems quickly, keeping your shrub healthy and blooming.
Pests
- Spider Mites: These tiny pests can cause stippling (small dots) on leaves and sometimes fine webbing. They thrive in hot, dry conditions.
- Solution: Spray plants with a strong stream of water to dislodge them. For severe infestations, use an insecticidal soap.
- Aphids: Small, soft-bodied insects that cluster on new growth, causing leaves to curl or distort.
- Solution: Blast them off with water or use insecticidal soap. Ladybugs are natural predators, so encourage them!
- Nematodes: Microscopic roundworms that can attack roots, causing stunted growth and yellowing leaves. This is more common in sandy soils.
- Solution: Difficult to treat once established. Improve soil health with organic matter. Solarization (heating soil with plastic) might help for new plantings.
Diseases
- Root Rot: The most common disease, caused by consistently waterlogged soil. Symptoms include wilting, yellowing leaves, and overall decline.
- Solution: Ensure excellent drainage. If the plant is already suffering, try to improve drainage around it, but often severe cases are fatal. Prevention is key.
- Powdery Mildew: A white, powdery coating on leaves, especially in humid conditions with poor air circulation.
- Solution: Ensure good air circulation by proper spacing and pruning. For minor cases, it's usually not harmful. For severe cases, use a fungicide labeled for powdery mildew.
- Downy Mildew: Appears as purplish-brown spots on the upper leaf surface and fuzzy gray mold on the underside.
- Solution: Improve air circulation and reduce humidity. Remove affected leaves. A fungicide might be necessary for severe cases.
Other Issues
- Lack of Blooms:
- Cause: Not enough sunlight, incorrect pruning (pruning in fall, removing new wood), too much nitrogen fertilizer, or too young a plant.
- Solution: Ensure full sun, prune in late winter/early spring, use a balanced or low-nitrogen fertilizer, and be patient with young plants.
- Dieback in Winter:
- Cause: Cold temperatures, especially in colder zones without proper protection.
- Solution: Plant in a sheltered location, apply a thick layer of mulch in late fall, and avoid fall pruning.
- Invasiveness: Some older varieties of Buddleja davidii can be invasive in certain regions, spreading by seed and outcompeting native plants.
- Solution: Choose sterile or non-invasive cultivars. Many new varieties have been bred to produce very few or no viable seeds. Look for terms like "sterile," "non-invasive," or specific cultivar names known for low seed production (e.g., 'Lo & Behold' series, 'Pugster' series, 'Miss Molly'). This is a crucial consideration for responsible gardening when thinking about how to grow a butterfly bush.
How Do You Choose the Right Butterfly Bush Variety?
With so many butterfly bush varieties available, choosing the right one for your garden depends on factors like mature size, flower color, and whether you need a non-invasive option. Understanding the differences is important for how to grow a butterfly bush that fits your space and environmental goals.
Size Considerations
- Dwarf Varieties: Ideal for small gardens, containers, or the front of borders. They typically grow 2-5 feet tall and wide.
- Examples:
- 'Lo & Behold' series: Includes 'Blue Chip', 'Lilac Chip', 'Pink Micro Chip', 'Ice Chip'. These are often sterile or produce very few seeds.
- 'Pugster' series: 'Pugster Blue', 'Pugster Pink', 'Pugster Amethyst'. Known for their compact size and large flowers.
- Examples:
- Medium-Sized Varieties: Suitable for mid-border or as specimens. They usually reach 5-8 feet tall and wide.
- Examples:
- 'Miss Molly': Vibrant reddish-pink flowers.
- 'Miss Ruby': Rich, deep pink flowers.
- 'Black Knight': Classic deep purple, almost black flowers.
- Examples:
- Large Varieties: Best for larger landscapes where they can grow up to 10-15 feet tall and wide, forming a substantial shrub.
- Examples:
- 'White Profusion': Large white flower spikes.
- 'Royal Red': Deep purplish-red flowers.
- Examples:
Flower Color
Butterfly bushes come in a beautiful array of colors to suit any garden palette.
- Purple/Lavender: Most common. 'Black Knight', 'Purple Haze', 'Lo & Behold Blue Chip'.
- Pink/Red: 'Miss Molly', 'Miss Ruby', 'Pink Delight'.
- White: 'White Profusion', 'Lo & Behold Ice Chip'.
- Yellow: 'Sungold' (a non-davidii type), 'Honeycomb'.
Non-Invasive (Sterile) Varieties
This is a critical consideration, especially in regions where Buddleja davidii is considered an invasive species. Invasive plants can escape gardens and outcompete native plants, harming local ecosystems.
- Why Choose Sterile: These varieties produce little to no viable seed, preventing them from spreading unwantedly.
- How to Identify: Look for varieties specifically marketed as "sterile," "non-invasive," or those developed from different Buddleja species or hybrids. The 'Lo & Behold' and 'Pugster' series are widely recognized for their low seed viability.
- Check Local Regulations: Before purchasing, always check with your local extension office or gardening resources to see if butterfly bush is considered invasive in your specific area and what varieties are recommended.
Other Buddleja Species
While Buddleja davidii is the most common, other species offer unique characteristics:
- Buddleja alternifolia (Fountain Butterfly Bush): Blooms on old wood (so prune after flowering), has a graceful, weeping habit.
- Buddleja x weyeriana hybrids: Crosses that often have ball-shaped flower clusters and may be more cold-hardy or sterile. 'Honeycomb' is an example.
By carefully considering size, color, and invasive potential, you can select the perfect butterfly bush to attract pollinators and enhance your garden, feeling confident in how to grow a butterfly bush responsibly.
Can You Grow Butterfly Bushes in Containers?
Yes, absolutely! Learning how to grow a butterfly bush in a container is an excellent option for those with limited garden space, such as balconies, patios, or small yards. It also gives you the flexibility to move the plant.
Choosing the Right Container
- Size: Select a large pot, at least 18-24 inches in diameter and depth. This provides enough room for root growth and helps prevent the soil from drying out too quickly. A fabric grow bag can also work well.
- Drainage: Ensure the container has ample drainage holes at the bottom. Poor drainage is the quickest way to kill a container-grown butterfly bush.
- Material: Terracotta pots dry out faster, while plastic or glazed ceramic pots retain moisture longer. Choose based on your climate and watering habits.
Potting Mix
- Well-Draining: Use a high-quality, well-draining potting mix specifically formulated for containers. Do not use heavy garden soil, as it compacts in pots and hinders drainage.
- Amendments: You can mix in some perlite or pine bark fines to further enhance drainage if your potting mix seems too heavy.
Planting in a Container
The steps are similar to in-ground planting:
- Add a layer of potting mix to the bottom of the container.
- Carefully remove the butterfly bush from its nursery pot and loosen any circling roots.
- Place the plant in the center, ensuring the top of the root ball is level with or slightly below the rim of the pot.
- Fill the rest of the container with potting mix, leaving about an inch or two of space from the rim for watering.
- Water thoroughly until water drains from the bottom.
Care for Container-Grown Butterfly Bushes
- Watering: This is the most crucial difference. Container plants dry out much faster than those in the ground. You will likely need to water daily, especially during hot, sunny, or windy weather. Check the soil moisture by sticking your finger an inch or two into the soil; if it feels dry, it's time to water.
- Fertilizing: Container plants also need more regular feeding because nutrients leach out with frequent watering.
- Use a slow-release granular fertilizer at the beginning of the growing season, or
- Feed every few weeks with a diluted liquid general-purpose plant food during the blooming season.
- Pruning & Deadheading: Follow the same pruning guidelines as for in-ground plants (late winter/early spring pruning and regular deadheading).
- Winter Protection: In colder zones, container-grown butterfly bushes are more vulnerable to winter cold.
- Move: Move the container to a sheltered, unheated location like a garage, shed, or unheated porch once temperatures consistently drop below freezing.
- Insulate: If moving isn't an option, insulate the pot by wrapping it in burlap or bubble wrap, or placing it inside a larger pot filled with mulch for insulation.
- Water Sparingly: Water very sparingly during winter, just enough to prevent the roots from completely drying out.
Growing a butterfly bush in a container is a rewarding way to enjoy its beauty and attract pollinators, even in limited spaces, as long as you're mindful of its unique watering and feeding needs.
How Do You Propagate a Butterfly Bush?
Propagating a butterfly bush is a simple and rewarding process, allowing you to create new plants from existing ones. This is a common way to expand your collection or share with friends, and an interesting aspect of learning how to grow a butterfly bush.
The most common and successful method is via stem cuttings.
Taking Cuttings
- Timing: The best time to take cuttings is in late spring or early summer, when the plant is actively growing but the new stems aren't too soft or too woody. You're looking for what's called "softwood" or "semi-hardwood" cuttings.
- Select Stems: Choose healthy, non-flowering stems that are about 4-6 inches long. They should be relatively straight and free of pests or diseases.
- Prepare Cuttings:
- Use a sharp, clean knife or pruning shears.
- Remove all leaves from the lower half to two-thirds of the cutting.
- If the cutting has a flower bud or developing flower cluster, pinch it off. This directs the plant's energy towards root development, not flowering.
- Optional: Dip the cut end into a rooting hormone powder or gel. This can significantly increase the success rate of rooting, though butterfly bushes often root well without it.
Planting Cuttings
- Potting Mix: Prepare small pots or a seed tray with a well-draining propagation mix. A good mix is usually half perlite and half peat moss or a standard seed-starting mix.
- Make Holes: Use a pencil or a stick to make small holes in the potting mix. This prevents the rooting hormone (if used) from being scraped off when inserting the cutting.
- Insert Cuttings: Insert the prepared cuttings into the holes, ensuring that at least two leaf nodes (where leaves were removed) are buried in the mix. Gently firm the mix around the base of each cutting.
- Water: Water thoroughly to settle the potting mix around the cuttings.
Creating a Humid Environment
- Cover: To maintain high humidity, which is crucial for rooting, cover the pots with a clear plastic dome, a plastic bag supported by stakes (to keep it off the leaves), or place them in a mini greenhouse.
- Ventilation: Lift the cover occasionally for a few minutes each day to allow for air circulation and prevent fungal growth.
Placement and Care
- Light: Place the cuttings in a warm location with bright, indirect light. Avoid direct, scorching sun.
- Moisture: Keep the potting mix consistently moist but not soggy. Mist the leaves occasionally if you notice them wilting.
- Rooting Time: Cuttings typically take 4-8 weeks to root. You can gently tug on a cutting to check for resistance, which indicates root development. You may also see new leaf growth.
Transplanting
Once the cuttings have developed a strong root system (usually 1-2 months), they are ready to be transplanted.
- Potting Up: Carefully move each rooted cutting to its own slightly larger pot (e.g., a 4-inch pot) filled with a general-purpose potting mix.
- Acclimatization (Hardening Off): Before planting them directly into the garden, gradually expose the young plants to outdoor conditions (sun, wind, varying temperatures) over a week or two. Start with a few hours outside in a sheltered spot and gradually increase exposure.
- Planting Out: Once hardened off, they can be planted in your garden following the general planting instructions.
Propagating your own butterfly bush is an economical way to multiply your plants and a rewarding part of mastering how to grow a butterfly bush.
Butterfly Bush and Pollinator Health: What to Know
While butterfly bushes are undeniable magnets for butterflies and other pollinators, it's important to have a nuanced understanding of their role in supporting these vital creatures, especially when learning how to grow a butterfly bush responsibly.
Nectar Source vs. Host Plant
- Excellent Nectar Source: Butterfly bushes are primarily nectar sources. Nectar provides adult butterflies, bees, and hummingbirds with energy (sugars). This is why you see so many adult butterflies flocking to the blooms.
- Poor Host Plant: However, Buddleja davidii is generally a poor host plant. A host plant is where butterfly larvae (caterpillars) feed and develop. Most butterfly species have very specific host plant requirements; a butterfly bush typically does not serve this purpose. Monarch caterpillars, for example, feed exclusively on milkweed, not butterfly bush.
- Why it Matters: A complete butterfly habitat needs both nectar sources for adults and host plants for their young. If you only plant butterfly bushes, you are only supporting one stage of the butterfly life cycle.
The Invasive Species Concern
As mentioned, some older and more vigorous varieties of Buddleja davidii have a high seed set and can become invasive in certain regions.
- Problem: Their seeds can spread to natural areas, germinate, and outcompete native plants, disrupting local ecosystems. This reduces the native host plants and nectar sources that native pollinators and wildlife rely on.
- Responsible Gardening: When learning how to grow a butterfly bush, it is crucial to choose sterile or low-seed-producing varieties. These cultivars have been bred to retain all the desirable qualities (abundant blooms, attractiveness to pollinators) without the risk of spreading invasively. Always check with your local agricultural extension or conservation groups for recommendations in your area.
Supporting a Diverse Ecosystem
While butterfly bushes are great for attracting and feeding adult pollinators, for a truly biodiverse and healthy garden, combine them with other plants:
- Native Plants: Plant a variety of native plants that serve as both nectar sources and host plants for local insect species. Native plants are adapted to your climate and soil and provide the best support for native pollinators.
- Continuous Bloom: Ensure you have a succession of blooms throughout the growing season, from early spring to late fall, to provide a consistent food source.
- Water and Shelter: Provide a shallow water source (like a bird bath with pebbles) and areas for shelter and nesting (e.g., bare ground, brush piles, native bee houses).
By being mindful of these considerations, you can ensure that your butterfly bush contributes positively to a thriving and responsible pollinator garden.
What are the Best Companion Plants for Butterfly Bush?
Pairing your butterfly bush with complementary plants can create a more visually appealing garden while also enhancing its attractiveness to a wider range of pollinators. When considering how to grow a butterfly bush, think about what else will thrive alongside it and provide continuous interest.
Plants with Similar Needs
Choose plants that also prefer full sun and well-draining soil, aligning with the butterfly bush's requirements.
- Coneflower (Echinacea): Hardy perennials with daisy-like flowers that come in various colors. They are excellent for attracting bees and butterflies.
- Sedum (Hylotelephium): Succulent-like plants with fleshy leaves and late-season blooms that are very popular with pollinators. 'Autumn Joy' is a classic.
- Daylilies (Hemerocallis): Offer a long blooming season and come in a vast array of colors and sizes. While not primary pollinator plants, they add structure and beauty.
- Russian Sage (Perovskia atriplicifolia): A drought-tolerant plant with silvery foliage and spikes of lavender-blue flowers, very attractive to bees.
- Lantana (Lantana camara): A heat-loving plant with clusters of vibrant flowers, irresistible to butterflies. Often grown as an annual in colder climates.
- Salvia (Salvia spp.): Many varieties of salvia offer long-lasting blooms in shades of blue, purple, pink, and red, drawing in hummingbirds and butterflies.
- Yarrow (Achillea millefolium): Flat-topped flower clusters are great landing pads for a variety of beneficial insects and butterflies.
- Zinnia (Zinnia elegans): Bright, cheerful annuals that bloom profusely and are a favorite of many butterfly species. Choose single-petal varieties for easier access to nectar.
- Cosmos (Cosmos bipinnatus): Delicate, airy annuals that attract butterflies and bees.
Host Plants (Crucial for a Complete Pollinator Garden)
Remember to include host plants to support the entire life cycle of butterflies, not just the adults. These are especially important when designing a truly beneficial habitat.
- Milkweed (Asclepias spp.): Essential for Monarch butterflies. Plant native milkweed species for your region.
- Dill, Fennel, Parsley, Carrot: Host plants for Black Swallowtail butterflies.
- Snapdragon (Antirrhinum majus): Host plant for Common Buckeye butterflies.
- Passion Vine (Passiflora spp.): Host plant for Gulf Fritillary and Zebra Longwing butterflies.
- Hollyhock (Alcea rosea): Host plant for Painted Lady butterflies.
Ornamental Grasses
Incorporating ornamental grasses provides texture, movement, and often shelter for insects, complementing the blooms of your butterfly bush.
- Examples: Little Bluestem, Switchgrass, Karl Foerster Feather Reed Grass.
By thoughtfully combining your butterfly bush with these companion plants, you'll create a vibrant, healthy ecosystem that supports a wider array of pollinators and looks stunning throughout the growing season. This holistic approach is key to understanding how to grow a butterfly bush as part of a flourishing garden.