Scientific Name

Sedum spathulifolium ‘Cape Blanco’

Common Names

Cape Blanco Stonecrop

Scientific Classification

Family: Crassulaceae
Subfamily: Sedoideae
Tribe: Sedeae
Subtribe: Sedinae
Genus: Sedum

Sedum spathulifolium ‘Cape Blanco’ is an evergreen, perennial succulent, forming a wide mat up to 4 inches (10 cm) tall, with thick, purple-tinged, grey-green leaves. The inner ones are white-bloomed. The starry flowers are yellow, up to 0.6 inch (1.5 cm) across and appear in late summer carried in small terminal clusters.

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USDA hardiness zone 5a to 9b: from −20 °F (−28.9 °C) to 30 °F (−1.1 °C).

How to Grow and Care

When growing Sedum, keep in mind that Sedum plants need very little attention or care. They will thrive in conditions that many other plants thrive in, but will do just as well in less hospitable areas. They are ideal for that part of your yard that gets too much sun or too little water to grow anything else. A common name for Sedum is Stonecrop, due to the fact that many gardeners joke that only stones need less care and live longer.

Sedum is easily planted. For shorter varieties, simply laying the plant on the ground where you want it to grow is normally enough to get the Sedum plant started there. They will send out roots from wherever the stem is touching the ground and root itself. If you would like to further ensure that the plant will start there, you can add a very thin covering of soil over the plant. For taller Sedum varieties, you can break off one of the stems and push it into the ground where you would like to grow it. The stem will root very easily and anew plant will be established in a season or two… – See more at: How to Grow and Care for Sedum.


Garden origin.


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Sedum, Broadleaf Stonecrop, Pacific Stonecrop ‘Cape Blanco’




Cactus and Succulents

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Sun Exposure:

Full Sun


Grown for foliage


Foliage Color:



under 6 in. (15 cm)


18-24 in. (45-60 cm)


USDA Zone 3a: to -39.9 °C (-40 °F)

USDA Zone 3b: to -37.2 °C (-35 °F)

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

USDA Zone 5a: to -28.8 °C (-20 °F)

USDA Zone 5b: to -26.1 °C (-15 °F)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

USDA Zone 8a: to -12.2 °C (10 °F)

USDA Zone 8b: to -9.4 °C (15 °F)

USDA Zone 9a: to -6.6 °C (20 °F)

USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow:

Unknown – Tell us



Bloom Color:

Bright Yellow

Bloom Characteristics:

Unknown – Tell us

Bloom Size:

Unknown – Tell us

Bloom Time:

Mid Summer

Late Summer/Early Fall

Other details:

Unknown – Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:


Propagation Methods:

By dividing the rootball

From leaf cuttings

From herbaceous stem cuttings

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


This plant has been said to grow in the following regions:

Castro Valley, California

China Lake Acres, California

Clayton, California

Knights Landing, California

Los Angeles, California

Ridgecrest, California

San Francisco, California

San Jose, California

San Leandro, California

Sonoma, California

Stockton, California

Plainsboro, New Jersey

Cleveland, Ohio

Haviland, Ohio

Warren, Ohio


Salem, Oregon

New Holland, Pennsylvania

Norristown, Pennsylvania

Wakefield, Rhode Island

Crossville, Tennessee

Ogden, Utah

Kalama, Washington

Sequim, Washington

White Center, Washington

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Sedum spathulifolium ‘Cape Blanco’

Cape Blanco Stonecrop

Evergreen Groundcover, Perennial, Succulent

Attractive silver-gray foliage year-round is topped with vibrant yellow flowers in summer. This Pacific Northwest native is at home in the rockery, makes a good edger or a small-scale groundcover. Mix with other hardy sedum and sempervivum of varied color and size to create ground-hugging tapestry. A Pacific Northwest native.

Growing Conditions

Zone: 5, 6, 7, 8, 9
Water Use: Drought Tolerant, Low

Exposure: Full Sun, Sun, Afternoon Sun, Reflected Heat


Plant Features: Attracts Bees and Butterflies, Attracts Butterflies, Attracts Hummingbirds, Deer Resistant, Drought Tolerant, Edible, Fabulous Foliage, Foliage, Groundcover, Low Maintenance, Native Plant, Winter Interest
Flower Color: Yellow, Yellow / Gold
Bloom Time: Summer

Uses and Applications

Landscape Uses: Edging, Groundcover, Hell Strip
Special Uses: Hell Strip, Low water / No water
Wildlife: Bees, Butterflies, Deer Resistant, Hummingbirds

More Design Considerations

Seasons of Interest: Spring, Summer, Fall, Winter, Looks Good Year Round, Three Season Garden, Year-round Interest
Maintenance Level: Low, Low Maintenance

Family: Crassulaceae
Pronounced: SEE-dum spath-ew-li-FOE-lee-um

Quick Jumps

Growing Guide
Rainy Side Notes


Plant Group:
Sunset zones: All.
USDA zones: 5-9.

Mature size:
4 inches (10 cm).
12 inches (30 cm). Flowering period:
Late spring to early summer. Flowering attributes:
Star-shaped, yellow flowers in tight clusters. Leaf attributes:
Rosette of fleshy green leaves covered with a silvery-white waxy powder, giving it a silvery appearance. Light:
Full sun to light shade. Soil:
Any type well-drained soil. Propagation Methods:
Short stem pieces root readily in garden soil.
Divide in spring. Pruning Methods:
Not necessary.

Rainy Side Notes

There are so many handsome stonecrops in the nursery trade; it is often hard to choose just one. If I were to choose only one ground covering sedum, it would have to be our Oregon native, Sedum spathulifolium ‘Cape Blanco’ (Pronounced: SEE-dum spath-ew-li-FOE-lee-um), one of the most well-known stonecrops in cultivation. Being a native makes it a perfect choice for our maritime climate. The handsome rosettes of fleshy green leaves are covered with a silvery-white waxy powder, its silvery appearance sets off basalt rock in perfect contrast. The yellow flowers are nice enough, but the foliage is so outstanding that I would rather not have the flowers detract from their wonderful silvery rosettes. As soon as the flowers fade, I prune out the flowering stems so the foliage comes to the forefront again.

For beginner gardeners, this is a beautiful and easy ground cover to grow provided it is given well-drained soil. The sedum is drought tolerant and appears to be deer resistant; however, it is edible to the human species. You can use the succulent foliage in soups or even as a stir-fry. To serve this to your family or guests should get everyone talking about the strange new vegetable on the table; hopefully without an “Eww” comment.

If you choose to add a sedum species to your diet, try them in the morning before the CAM (Crassulacean Acid Metabolism) processing of CO2 builds acid content in the foliage. This process adds an acid/peppery taste that by late afternoon/evening might make the sedums unpalatable. Caution, eating too many of them can cause an upset stomach.

The Royal Horticultural Society bestowed our native sedum with the Award of Garden Merit. I hope to see this become a Great Plant Pick in the future. For beginner gardeners, this is a handsome and easy-to-grow ground cover.

I grow this little native in nooks and crannies along rock walls and edges of pavers (where there is little to no foot traffic). I appreciate it best cascading down my rock walls–the dark basalt stone shows off the silvery-gray succulent leaves, beautifully.

Photographed in author’s garden.

A Pacific Northwest Plant of the Week (2011)

Gardening for the Homebrewer: Grow and Process Plants for Making Beer, Wine, Gruit, Cider, Perry, and More

By co-authors Debbie Teashon (Rainy Side Gardeners) and Wendy Tweton

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