How much light does John's-cabbage need?

It grows best in part shade to full shade, mimicking the dappled light found beneath a deciduous forest canopy. Too much direct sun can scorch its broad leaves.

When does Hydrophyllum virginianum bloom?

Flowering typically occurs in May and June, with clusters of bell-shaped white to pale purple blooms appearing above the mottled foliage.

What pollinators visit Hydrophyllum virginianum flowers?

Bees and butterflies are the primary visitors, drawn to the nectar-rich clusters during the spring bloom period.

How much water does John's-cabbage need?

It prefers medium, consistently moist soil similar to its natural woodland floor habitat, though it can tolerate brief periods of drier conditions once established.

Does John's-cabbage stay green year round?

No, it is a deciduous herbaceous perennial. The foliage dies back after flowering and seed set, typically going dormant by mid to late summer.

Is John's-cabbage HOA-friendly?

John's-cabbage takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

John's-cabbage

Name: Pollinator Patch
Author: Pollinator Patch

Hydrophyllum virginianum

Last reviewed: August 2026

Hydrophyllum virginianum, or John's-cabbage, is a part shade woodland forb that blooms May through June with clusters of white to pale lavender flowers. It grows well in moist, humus-rich forest soils across the eastern and midwestern United States.

Toxicity unknown

John's-cabbage (Hydrophyllum virginianum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

12"–24" H × 8"–16" W

Bloom

May, Jun

Native to

AR, CT, DE, IA and 23 more states

Pollinators

bees, butterflies

Deer

Resistant (per Prairie Moon Nursery)

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John's-cabbage is a native woodland perennial with broad, deeply lobed leaves and clusters of small white to pale purple flowers in late spring. It forms a low, spreading groundcover that thrives in shaded areas with consistent moisture. The plant goes dormant in late summer, disappearing completely until the following spring.

Growing John's-cabbage

Grow John's-cabbage in part shade and medium water. Mature plants reach 12 to 24 inches tall and spread 8 to 16 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

John's-cabbage takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Completely disappears by mid-summer leaving bare ground
Informal woodland appearance may look unkempt
Large lobed leaves can appear weedy to some

Wildlife value

The flowers attract native bees and butterflies during its May to June bloom period. The foliage provides cover for small woodland creatures and insects.

Common questions

How much light does John's-cabbage need?: It grows best in part shade to full shade, mimicking the dappled light found beneath a deciduous forest canopy. Too much direct sun can scorch its broad leaves.
When does Hydrophyllum virginianum bloom?: Flowering typically occurs in May and June, with clusters of bell-shaped white to pale purple blooms appearing above the mottled foliage.
What pollinators visit Hydrophyllum virginianum flowers?: Bees and butterflies are the primary visitors, drawn to the nectar-rich clusters during the spring bloom period.
How much water does John's-cabbage need?: It prefers medium, consistently moist soil similar to its natural woodland floor habitat, though it can tolerate brief periods of drier conditions once established.
Does John's-cabbage stay green year round?: No, it is a deciduous herbaceous perennial. The foliage dies back after flowering and seed set, typically going dormant by mid to late summer.
Is John's-cabbage HOA-friendly?: John's-cabbage takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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