Are Sedums Succulents?

Yes, sedums are succulents. Every single plant in the genus Sedum falls under the succulent category because they store water in their leaves, stems, or roots to survive dry conditions. But this simple answer raises a more useful question: what does being a succulent actually mean for how you grow, care for, and enjoy sedums? Understanding the connection between sedums and succulents helps you make better decisions about watering, soil, light, and even which varieties to choose for your specific climate.

What Makes a Plant a Succulent?

A succulent is any plant that has thickened, fleshy parts designed to hold water. The word comes from the Latin succus, meaning juice or sap. Succulents are not a single plant family or scientific group. Instead, they are a category spread across many plant families that share this water-storage adaptation. Cacti are a type of succulent, but not all succulents are cacti.

Succulents typically share three traits:

• Thick, fleshy leaves or stems that feel plump to the touch
• Shallow, spreading root systems that grab moisture quickly from light rain or dew
• Waxy, hairy, or powdery coatings that reduce water loss and reflect intense sunlight

Sedums check all three boxes, which is why they sit comfortably inside the succulent category.

Are Sedums Succulents in the Botanical Sense?

Yes, botanically speaking, sedums are succulents. The genus Sedum belongs to the Crassulaceae family, a group known almost entirely for succulent plants. Other members of this family include jade plants (Crassula), echeverias, kalanchoes, and aeoniums. If you have cared for any of those, you already have a head start with sedums.

The Crassulaceae family shares a unique type of photosynthesis called CAM (Crassulacean Acid Metabolism). CAM plants open their stomata at night instead of during the day to reduce water loss. That biological trick is one of the defining features of succulents, and sedums use it just like their more famous cousins.

How Are Sedums Different from Other Succulents?

All sedums are succulents, but not all succulents are sedums. Here are the key differences that matter to gardeners.

Cold Hardiness

Many popular succulents like echeverias, aeoniums, and lithops come from warm, dry regions and struggle below freezing. Sedums are the cold-hardy champions of the succulent world. Many species, such as Sedum album and Sedum spurium, survive winters down to USDA zone 3 or 4. This makes them the go-to choice for succulent lovers in colder climates.

Growth Habit

Sedums split into two main growth types:

• Low-growing ground covers like Sedum acre and Sedum kamtschaticum that spread quickly and work well between stepping stones or on green roofs
• Upright varieties like Sedum 'Autumn Joy' (now classified as Hylotelephium but still commonly called sedum) that grow 18 to 24 inches tall and bloom in late summer

Most other succulents stay compact or rosette-shaped and rarely spread as aggressively as creeping sedums.

Flowering Season

While many succulents bloom in spring, sedums are known for their late summer and fall flowers. Upright sedums produce clusters of tiny star-shaped blooms in pink, red, white, or yellow that butterflies and bees love. The dried flower heads also provide winter garden interest.

What Are the Most Common Types of Sedums?

Knowing which sedum you have helps you give it the right care. Here are the most popular types organized by use.

Creeping Sedums for Ground Cover

Upright Sedums for Borders

• Sedum 'Autumn Joy' (Hylotelephium telephium): The most popular upright sedum, with pink flower heads that deepen to copper in fall
• Sedum 'Matrona': Similar to Autumn Joy but with darker stems and a more upright habit
• Sedum 'Purple Emperor': Deep purple foliage with pink flowers, reaches about 12 inches tall

How Do You Care for Sedums as Succulents?

Caring for sedums follows the same basic rules as caring for any succulent, but their hardiness changes a few details.

Light Requirements

Sedums need full sun to stay compact and colorful. In too much shade, they stretch out, lose leaf color, and flower poorly. Six hours of direct sun per day is the minimum. In very hot climates, some afternoon shade prevents leaf scorch, but most sedums handle intense sun well.

Watering Mistakes to Avoid

The number one killer of sedums is overwatering. Because they store water in their leaves, they rot quickly if the soil stays wet.

• Let the soil dry out completely between waterings
• During hot summer months, water once every 7 to 10 days for outdoor sedums
• Reduce watering to once every 3 to 4 weeks in fall and winter
• Indoor sedums in pots need watering even less often, sometimes only once a month

Signs you are overwatering:

• Leaves turn yellow or translucent
• Stems become mushy at the base
• Leaves drop off at the slightest touch
• A sour or musty smell from the soil

Soil and Drainage

Sedums need sharp drainage. Standard potting soil holds too much moisture.

Mix your own succulent soil:

1. Use 2 parts potting soil or coco coir
2. Add 1 part perlite or pumice
3. Add 1 part coarse sand or small gravel

For outdoor beds, amend heavy clay soil with sand and gravel, or plant sedums in raised beds and rock gardens.

perlite for succulent soil

Fertilizing

Sedums are light feeders. Too much fertilizer makes them grow weak, leggy growth that flops over.

• Fertilize once in early spring with a balanced, half-strength succulent fertilizer
• Do not fertilize in summer or winter
• Upright sedums benefit from a very light dose of bone meal for stronger stems

balanced succulent fertilizer

Winter Care

Cold-hardy sedums need little winter protection. Cut back dead stems of upright varieties in late fall or early spring. Creeping sedums stay evergreen in mild winters and may need a light covering in very cold zones without snow cover.

For tender sedums grown in pots, move them to an unheated garage or indoors before the first frost. Water them only once every 4 to 6 weeks during dormancy.

Can You Grow Sedums Indoors as Houseplants?

Yes, but with caveats. Sedums that thrive indoors are usually the smaller, trailing types like Sedum morganianum (burro's tail) and Sedum rubrotinctum (jelly beans). Upright sedums grown indoors often become leggy without intense light.

If you want to grow sedums indoors:

• Place them in the brightest window you have, preferably south or west facing
• Supplement with a grow light for 12 to 14 hours daily if natural light is weak
• Use a shallow pot with drainage holes
• Water very sparingly, only when the soil is completely dry and the leaves look slightly deflated

grow light for indoor succulents

Why Do Some Sedums Look Different from Typical Succulents?

This is where the confusion starts for many gardeners. When people picture a succulent, they usually imagine a tight rosette like an echeveria or a plump round cactus. Sedums often have smaller, more elongated leaves and a looser growth habit. That does not make them less succulent.

Leaf texture is the giveaway. Squeeze a sedum leaf gently between your fingers. If it feels firm, fleshy, and slightly rubbery rather than thin and papery, it is a succulent. Even the tiny leaves of Sedum acre store water effectively enough to survive on a rock wall with no soil.

Some sedums have been reclassified into other genera like Hylotelephium and Rhodiola, but they remain succulents regardless of the name change. The term "sedum" is still used broadly in the nursery trade for these plants.

What Problems Do Sedums Face as Succulents?

Even experienced succulent growers run into trouble with sedums. Here are the most common issues and how to fix them.

Mealybugs

These white, cottony insects hide in leaf joints and under leaves. They suck sap and weaken the plant.

Treatment:

• Wipe visible bugs off with a cotton swab dipped in rubbing alcohol
• Spray the plant with neem oil once a week for three weeks
• Quarantine infected plants away from other succulents

neem oil for succulent pests

Root Rot

Soft, mushy stems near the soil line indicate root rot. This happens when the soil stays wet too long.

Treatment:

• Remove the plant from the pot and cut away all black or brown roots
• Let the healthy roots air dry for 24 hours
• Repot in dry, fresh succulent soil
• Do not water for at least a week

Leggy Growth

Stems that stretch out with wide gaps between leaves mean the plant is not getting enough light.

Fix:

• Move the plant to a sunnier location gradually (over 3 to 5 days)
• Prune the leggy stems and propagate the cuttings
• For indoor plants, use a grow light

Leaf Drop

Leaves falling off when you barely touch the plant usually signals overwatering. Scale back watering immediately and check the soil moisture before each future watering.

How Do You Propagate Sedums?

Propagation is one of the easiest parts of growing sedums. Because they are succulents, almost every piece of the plant can grow into a new plant.

Stem Cuttings

1. Cut a 3 to 4 inch stem from a healthy plant
2. Remove the lower leaves so the bottom inch of stem is bare
3. Let the cutting sit in a dry place for 2 to 3 days until the cut end calluses
4. Stick the cutting into moist succulent soil
5. Do not water for the first week, then water sparingly

Leaf Cuttings

1. Gently twist a leaf off the stem (keep the base intact)
2. Let the leaf dry for 2 days
3. Lay it on top of moist succulent soil
4. Mist the soil every few days
5. Tiny roots and a new rosette will form in 3 to 6 weeks

Division

For creeping sedums, simply dig up a clump, pull it apart into smaller sections, and replant each section. This works best in spring or early fall.

Should You Treat Sedums Exactly Like Other Succulents?

Yes, with two adjustments.

First, outdoor sedums tolerate more moisture than indoor succulents because they have better air circulation and stronger root systems. A potted echeveria might rot if watered weekly, but a ground-planted sedum in the same zone often handles it fine.

Second, hardy sedums do not need the same winter protection as tender succulents. If you grow a mix of succulents outdoors, your sedums can stay in the ground while you bring echeverias, aloes, and aeoniums indoors.

For care guides about specific succulent types, search for:

• echeveria care guide
• haws succulent growing tips

What Is the Easiest Way to Remember the Sedum-Succulent Relationship?

Think of it this way: sedums are succulents the way labs are dogs. All labs are dogs, but not all dogs are labs. All sedums are succulents, but not all succulents are sedums. The category (succulent) is broader than the specific group (sedum).

If you walk into a garden center and see a plant labeled "stonecrop" or "sedum," you can confidently treat it as a succulent. Give it bright light, well-draining soil, and infrequent water. Whether you plant it in a rock garden, a container, or a green roof, it will reward you with reliable growth and late-season flowers that few other succulents can match in cold climates.

How Understanding the Succulent Connection Improves Your Sedum Growing

Now that you know sedums are succulents, you can stop guessing about their care. The water-storing leaves, the need for fast-draining soil, the sensitivity to overwatering, and the ability to bounce back from neglect all make sense when you see them as succulents first.

Next time you water your sedums, check the leaves. If they feel firm and plump, wait. If they feel slightly soft or look a little wrinkled, give them a drink. That simple touch test works for every succulent, including your sedums. It is the same logic that guides care for jade plants, aloe vera, and echeverias, and it will keep your sedums healthy through every season.

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