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Perennial Knawel

Scleranthus perennis, Caryophyllaceae

Zones
4–8
Layer
Ground Cover
Lifespan
Perennial
Growth
Slow

Guild Roles

Ground CoverMulch MakerBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Spanish StonecropSedum hispanicum
Nurse PlantWind Protection
Least Crown VetchCoronilla minima
Nitrogen FixationNurse Plant
Hairy MelicMelica ciliata
Wind ProtectionPhysical Support

Antagonistic Plants

Nodding CatchflySilene nutans

Caryophyllaceae family members may produce saponins and other compounds that create competitive interference

Uses

Functions

Moss SubstitutePathway EdgesBetween Stepping Stones

Common Questions

What zones does Perennial Knawel grow in?

Perennial Knawel grows in USDA hardiness zones 4 through 8.

What are good companion plants for Perennial Knawel?

Good companions for Perennial Knawel include Spanish Stonecrop, Least Crown Vetch, Hairy Melic.

Design guilds with Perennial Knawel and see companion relationships visually.

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