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Twinleaf

Jeffersonia diphylla

Last reviewed: August 2026

Jeffersonia diphylla, or twinleaf, is a woodland forb that blooms white flowers in April and May in part shade with steady soil moisture.

Twinleaf (Jeffersonia diphylla)
Photo: Mary Vaux Walcott / Wikimedia Commons (Public domain)

Toxicity unknown

Twinleaf (Jeffersonia diphylla) 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

6"–12" H × 6"–12" W

Bloom

Apr, May

Native to

AL, GA, IA, IL and 13 more states

Pollinators

bees, beetles

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Rheumatism-root is a charming native woodland perennial that produces delicate white flowers in early spring before its distinctive twin leaves fully emerge. The plant forms neat, compact clumps that work well as groundcover in shaded areas and naturalizes slowly over time.

Growing Twinleaf

Grow Twinleaf in part shade and medium water. Mature plants reach 6 to 12 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Twinleaf is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, mid zone.

  • Goes dormant by midsummer leaving bare spots

Wildlife value

The early spring blooms provide nectar for native bees and beetles when few other flowers are available. The plant also supports specialized native insects that depend on native woodland plants.

Common questions

When does twinleaf bloom?
Twinleaf typically flowers in April and May, producing single white blossoms that open before the tree canopy fully leafs out.
What growing conditions does twinleaf need?
It grows best in part shade with consistently moist, well drained soil, similar to the rich woodland floor conditions it favors.
What pollinators visit twinleaf flowers?
Bees and beetles are the main visitors to twinleaf flowers, drawn to the early season blooms for pollen.
Why is it called twinleaf?
The common name comes from its distinctive leaves, which are divided into two nearly equal halves that resemble a butterfly's wings.
Does twinleaf spread easily in a garden?
Twinleaf spreads slowly by rhizomes and self seeding, forming a slow but steady patch over several years in a shaded garden bed.
Is Twinleaf HOA-friendly?
Twinleaf is generally an HOA-friendly choice in the right placement, with low maintenance.

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

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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Ready to grow Twinleaf? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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