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Round-leaved Hellebore

Helleborus cyclophyllus, Ranunculaceae

Zones
6–9
Layer
Herbaceous
Lifespan
Perennial
Growth
Slow

Guild Roles

ProducerGround CoverPollinator Attractor

Growing Conditions

Sun

Partial Shade (preferred)Full Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6.5 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Mountain CowslipPrimula auricula
Pollinator SharingShade Provision
Alpine AdenostylesAdenostyles alliariae
Shade ProvisionBeneficial Insect Habitat
Rock BuckthornRhamnus saxatilis
Wind ProtectionBeneficial Insect Habitat

Antagonistic Plants

White CorydalisCorydalis ochroleuca

Helleborus produces potent alkaloids and glycosides that can inhibit growth of other herbaceous plants like Corydalis

Haller's Pasque FlowerPulsatilla halleri

Helleborus produces toxic alkaloids that can inhibit growth of sensitive Ranunculaceae family members like Pulsatilla

Uses

Functions

Early Pollinator SupportWinter InterestShade ToleranceMedicinal Plant

Medicinal Uses

Cardiac TonicPurgativeTraditional Veterinary Medicine

Common Questions

What zones does Round-leaved Hellebore grow in?

Round-leaved Hellebore grows in USDA hardiness zones 6 through 9.

What are good companion plants for Round-leaved Hellebore?

Good companions for Round-leaved Hellebore include Mountain Cowslip, Alpine Adenostyles, Rock Buckthorn.

Design guilds with Round-leaved Hellebore and see companion relationships visually.

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