🌸GimmeBlooms
← Zone 5

Zone 5 · Sweet Woodruff

Planting Sweet Woodruff in Zone 5

Galium odoratum

Sweet Woodruff thrives in zone 5 (hardy 48)

Can I plant today?

⏳ Too early to direct-sow

Last frost is in 4 weeks. Wait until soil warms.

Evaluated for April 27, 2026 ·

Zone's last frost

around May 15

Zone's first frost

around October 15

Bloom window

May – June

Peak bloom

May

Sun required

shade

Mature height

10"

Spacing

12" apart

Type

perennial

How to plant Sweet Woodruff in zone 5

Plant in spring in moist shade. Hay-scented when dried; classic woodland ground cover.

Pair with these for continuous bloom

Sweet Woodruff peaks in May. These companions keep your bed in color before and after.

Want a full bed designed for zone 5?

Sign up free. GimmeBlooms builds a bloom-succession layout withSweet Woodruff and 3–5 perfect companions.

Design my bed →