PlantsShade & Groundcovers

Twinleaf

Twinleaf (Jeffersonia diphylla)
Krzysztof Ziarnek, Kenraiz · CC BY-SA 4.0
Twinleaf in flower
In flower · no rights reserved · CC0

Jeffersonia diphylla

Chicago-region native. Suited to zone 6a.

Distinctive spring woodland perennial

AdvancedShade & Groundcovers
Light
Part shade–shade
Moisture
Medium
Mature size
2–4 ft
Spacing
18–30 in
Bloom or harvest
Flowers Apr–May
How it spreads
Slow clump
What to buy
Plug or division for reliable residential establishment; seed for larger restoration areas.
When to plant
Apr–May; late Aug–Sep, finishing about six weeks before the first frost.

In the design

Retain leaf litter; avoid deep mulch over crowns.

Plants that share this spot

More in this group

Reference details
Conservatism value
10
Wetland indicator
UPL