Looking at another week
Sunday, August 16, 2026
What can be planted at usual odds (3 in 10): spring frost Apr 27, fall frost Oct 30.
Frost odds · chance of a freezing night after your spring date
Plant outdoors now 4
- Summer squash Sow or set out Apr 27 – Aug 21 Last call · closes in 5 days
- Beet Sow outdoors Mar 30 – Sep 4 Open now · closes in 19 days
- Lettuce Sow or set out Mar 30 – Sep 18 Open now · closes in 33 days
- Swiss chard Sow outdoors Mar 30 – Sep 18 Open now · closes in 33 days
Start seeds indoors now 1
Opening in the next 3 weeks 5
- Collards Fall · Sow outdoors Aug 21 – Sep 4 Opens in 5 days
- Kohlrabi Fall · Sow or set out around Aug 21 Opens in 5 days
- Kale Fall · Sow outdoors Sep 4 – Sep 18 Opens in 19 days
- Spinach Fall · Sow outdoors Sep 4 – Sep 18 Opens in 19 days
- Turnip Fall · Sow outdoors Sep 4 – Sep 18 Opens in 19 days
Windows are counted from the frost dates with the Montana State University Extension rules (method). "Last call" = the window closes within 10 days.