North America Non-native Plant

Cape Province Pygmyweed

Botanical name: Crassula multicava

USDA symbol: CRMU10

Life cycle: perennial

Habit: subshrub

Native status: Non-native, reproduces and persists in the wild in Hawaii âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Cape Province Pygmyweed: A Charming Succulent for Water-Wise Gardens Meet Cape Province pygmyweed (Crassula multicava), a delightful little succulent that’s been quietly making itself at home in gardens across warmer regions of the United States. While this perennial herb might not have the flashiest name, it’s got plenty of charm ...

Cape Province Pygmyweed: A Charming Succulent for Water-Wise Gardens

Meet Cape Province pygmyweed (Crassula multicava), a delightful little succulent that’s been quietly making itself at home in gardens across warmer regions of the United States. While this perennial herb might not have the flashiest name, it’s got plenty of charm packed into its compact form.

What Is Cape Province Pygmyweed?

Cape Province pygmyweed is a non-woody perennial that belongs to the succulent family. As a forb herb, it stays relatively low to the ground and lacks the thick, woody stems you’d find on shrubs or trees. Instead, it forms neat clumps of thick, fleshy leaves that store water – a classic succulent trait that makes it incredibly drought-tolerant.

Originally hailing from South Africa’s Cape Province region, this plant has established itself as a non-native species in California and Hawaii, where it reproduces naturally and persists without human intervention.

Why Gardeners Love This Little Succulent

There are several reasons why Cape Province pygmyweed has found its way into gardens:

  • Low maintenance: Once established, it requires minimal care and water
  • Attractive flowers: Produces clusters of tiny, star-shaped white or pink flowers
  • Ground cover potential: Spreads to form attractive mats
  • Pollinator friendly: The small flowers attract bees and other beneficial insects
  • Versatile placement: Works well in rock gardens, containers, or as border plants

Garden Design and Landscape Uses

Cape Province pygmyweed shines in several garden settings:

  • Mediterranean gardens: Perfect for drought-tolerant landscapes
  • Rock gardens: Tucks nicely between stones and boulders
  • Succulent gardens: Complements other water-wise plants beautifully
  • Container gardens: Excellent for pots and planters
  • Xeriscaping: Ideal for water-conservation landscaping

Growing Conditions and Care

This adaptable succulent is surprisingly easy to please:

  • Sunlight: Thrives in full sun to partial shade
  • Soil: Requires well-draining soil (avoid heavy clay or waterlogged conditions)
  • Water: Drought-tolerant once established; water sparingly
  • Climate: Best suited for USDA hardiness zones 9-11
  • Spacing: Allow room for natural spreading

Planting and Care Tips

Getting started with Cape Province pygmyweed is refreshingly straightforward:

  • Plant in spring after the last frost
  • Choose a location with good drainage – this is crucial for success
  • Water regularly during the first few weeks to help establishment
  • Once established, reduce watering significantly
  • Propagation is easy through leaf cuttings or division
  • Minimal fertilizing needed – these plants prefer lean conditions

A Word About Native Alternatives

While Cape Province pygmyweed can be a lovely addition to appropriate gardens, consider exploring native succulent alternatives that provide similar benefits while supporting local ecosystems. Native sedums, native stonecrop species, or regional native succulents might offer comparable aesthetic appeal while better serving local wildlife and pollinators.

If you do choose to grow Cape Province pygmyweed, be mindful of its spreading nature and consider containing it to prevent unintended naturalization in sensitive areas.

The Bottom Line

Cape Province pygmyweed offers an easy-care option for gardeners seeking drought-tolerant ground cover with seasonal flower interest. While it’s not native to North America, it can play a role in water-wise landscaping when used thoughtfully. Just remember to balance your plant choices with native alternatives that support local ecosystems – your garden (and local wildlife) will thank you for the diversity!

Cape Province Pygmyweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Crassulaceae J. St.-Hil. - Stonecrop family

Genus

Crassula L. - pygmyweed

Species

Crassula multicava Lem. - Cape Province pygmyweed

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA