Hollow Root

Corydalis cava, Papaveraceae

Zones

5–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatGround Cover

Growing Conditions

Sun

Partial Shade (preferred)

Water

Moderate (established)Moderate (seedling)

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Hungarian HawthornCrataegus nigra

Pollinator SharingShade Provision

Rock CurrantRibes petraeum

Shade ProvisionPollinator Sharing

Stinking HelleboreHelleborus foetidus

Shade ProvisionPollinator Sharing

Antagonistic Plants

Snake's Head FritillaryFritillaria meleagris

Both spring bulbous plants compete for early season nutrients and growing space

Carpathian OxlipPrimula elatior subsp. intricata

Both early spring flowers compete for optimal light before tree canopy closure

Uses

Functions

Early Spring Pollinator SupportWoodland UnderstoryEphemeral Groundcover

Edible Parts

Young LeavesTubers

Medicinal Uses

Traditional European MedicineRespiratory SupportMild Sedative

Common Questions

What zones does Hollow Root grow in?

Hollow Root grows in USDA hardiness zones 5 through 8.

What are good companion plants for Hollow Root?

Good companions for Hollow Root include Hungarian Hawthorn, Rock Currant, Stinking Hellebore.

Design guilds with Hollow Root and see companion relationships visually.

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