WhenToPlantGuide

Home › Flowers › Hostas

When to plant hostas

Plant hostas between 2 weeks before and 2 weeks after the last spring frost in spring, or 4–6 weeks before the first fall frost for a fall crop. That works out to zone 5b (late April to mid May), zone 7a (early April to late April) and zone 9a (mid February to mid March).

Hostas planting dates by zone

JanFebMarAprMayJunJulAugSepOctNovDec 2a Plant May 6 – Jun 3 Fall planting Jul 29 – Aug 12 3b Plant May 3 – May 31 Fall planting Aug 12 – Aug 26 4a Plant May 1 – May 29 Fall planting Aug 15 – Aug 29 4b Plant Apr 29 – May 27 Fall planting Aug 18 – Sep 1 5a Plant Apr 27 – May 25 Fall planting Aug 20 – Sep 3 5b Plant Apr 21 – May 19 Fall planting Aug 27 – Sep 10 6a Plant Apr 16 – May 14 Fall planting Sep 3 – Sep 17 6b Plant Apr 10 – May 8 Fall planting Sep 7 – Sep 21 7a Plant Apr 1 – Apr 29 Fall planting Sep 13 – Sep 27 7b Plant Mar 23 – Apr 20 Fall planting Sep 20 – Oct 4 8a Plant Mar 13 – Apr 10 Fall planting Sep 26 – Oct 10 8b Plant Mar 2 – Mar 30 Fall planting Oct 4 – Oct 18 9a Plant Feb 16 – Mar 16 Fall planting Oct 15 – Oct 29 9b Plant Jan 21 – Feb 18 Fall planting Oct 29 – Nov 12 10a Plant Dec 25 – Jan 22 Fall planting Nov 12 – Nov 26
■ spring planting · ■ fall planting. Zones from the USDA 2023 map; dates from NOAA frost normals for the weather stations in each zone.
ZoneSpringFall
4a May 1 – May 29Aug 15 – Aug 29
4b Apr 29 – May 27Aug 18 – Sep 1
5a Apr 27 – May 25Aug 20 – Sep 3
5b Apr 21 – May 19Aug 27 – Sep 10
6a Apr 16 – May 14Sep 3 – Sep 17
6b Apr 10 – May 8Sep 7 – Sep 21
7a Apr 1 – Apr 29Sep 13 – Sep 27
7b Mar 23 – Apr 20Sep 20 – Oct 4
8a Mar 13 – Apr 10Sep 26 – Oct 10
8b Mar 2 – Mar 30Oct 4 – Oct 18
9a Feb 16 – Mar 16Oct 15 – Oct 29
9b Jan 21 – Feb 18Oct 29 – Nov 12

How to plant hostas

Plant asdivisions or potted plants
DepthCrown at soil level
Spacing1–4 ft
LightShade to part shade
Time to bloom1–2 years
HardinessPerennial in zones 3–9

Spring, as shoots emerge, is the easiest time to plant or divide hostas.

Slugs and deer are the main problems.

Water deeply in the first season.

When to expect flowers from hostas

Grown for foliage; cut flower stalks after bloom if you prefer.

Exact dates for your town: planting calendar · frost dates by state.

More flowers to plant

Begonias · Coleus · Marigolds · Zinnias · Sunflowers · Cosmos · Mums · Lantana