Rock Soapwort

Saponaria ocymoides, Caryophyllaceae

Zones

4–8

Layer

Ground Cover

Lifespan

Perennial

Growth

Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatGround Cover

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Fishbone ThistlePtilostemon chamaepeuce

Pollinator Sharing

Tuberous Jerusalem SagePhlomis tuberosa

Wind ProtectionPollinator Sharing

Sweet MignonetteReseda odorata

Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Yellow SpiderflowerCleome lutea

Saponaria produces saponins that can have inhibitory effects on some plants

Uses

Functions

Early Season Carpet Of Flowers For Small BeesGround-Dwelling Predatory Beetle HabitatSpider Hunting GroundsMining Bee Nesting Sites NearbyContinuous Bloom Through Early Summer

Common Questions

What zones does Rock Soapwort grow in?

Rock Soapwort grows in USDA hardiness zones 4 through 8.

What are good companion plants for Rock Soapwort?

Good companions for Rock Soapwort include Fishbone Thistle, Tuberous Jerusalem Sage, Sweet Mignonette.

Design guilds with Rock Soapwort and see companion relationships visually.

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