Looking at another week
Sunday, May 31, 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 23
- Celery Set out Apr 6 – Jun 19 Open now · closes in 19 days
- Turnip Spring · Sow outdoors Mar 16 – Jun 21 Open now · closes in 21 days
- Pepper Set out Apr 20 – Jul 3 Open now · closes in 33 days
- Potato Plant Apr 20 – Jul 3 Open now · closes in 33 days
- Tomato Set out Apr 20 – Jul 3 Open now · closes in 33 days
- Muskmelon Set out Apr 20 – Jul 10 Open now · closes in 40 days
- Okra Sow or set out Apr 20 – Jul 10 Open now · closes in 40 days
- Rutabaga Sow outdoors Mar 16 – Jul 10 Open now · closes in 40 days
- Watermelon Set out Apr 20 – Jul 10 Open now · closes in 40 days
- Pumpkin Sow or set out Apr 27 – Jul 17 Open now · closes in 47 days
- Broccoli Set out Mar 16 – Jul 24 Open now · closes in 54 days
- Cauliflower Set out Apr 6 – Jul 24 Open now · closes in 54 days
- Eggplant Set out Apr 20 – Jul 24 Open now · closes in 54 days
- Cabbage Set out Mar 16 – Jul 31 Open now · closes in 61 days
- Carrot Sow outdoors Mar 30 – Jul 31 Open now · closes in 61 days
- Winter squash Sow or set out Apr 20 – Jul 31 Open now · closes in 61 days
- Cucumber Sow or set out Apr 20 – Aug 7 Open now · closes in 68 days
- Lima bean Sow outdoors Apr 20 – Aug 7 Open now · closes in 68 days
- Snap bean Sow outdoors Apr 20 – Aug 7 Open now · closes in 68 days
- Summer squash Sow or set out Apr 27 – Aug 21 Open now · closes in 82 days
- Beet Sow outdoors Mar 30 – Sep 4 Open now · closes in 96 days
- Lettuce Sow or set out Mar 30 – Sep 18 Open now · closes in 110 days
- Swiss chard Sow outdoors Mar 30 – Sep 18 Open now · closes in 110 days
Start seeds indoors now 11
- Broccoli Start indoors Jan 19 – Jun 12 Open now · closes in 12 days
- Eggplant Start indoors Feb 9 – Jun 12 Open now · closes in 12 days
- Cabbage Start indoors Jan 19 – Jun 19 Open now · closes in 19 days
- Muskmelon Start indoors Mar 23 – Jun 19 Open now · closes in 19 days
- Pumpkin Start indoors Mar 30 – Jun 19 Open now · closes in 19 days
- Watermelon Start indoors Mar 23 – Jun 19 Open now · closes in 19 days
- Cauliflower Start indoors Mar 2 – Jun 26 Open now · closes in 26 days
- Cucumber Start indoors Mar 23 – Jul 10 Open now · closes in 40 days
- Winter squash Start indoors Mar 23 – Jul 10 Open now · closes in 40 days
- Summer squash Start indoors Mar 30 – Jul 24 Open now · closes in 54 days
- Lettuce Start indoors Feb 16 – Aug 21 Open now · closes in 82 days
Opening in the next 3 weeks 0
Nothing opens in the next three weeks.
Windows are counted from the frost dates with the Montana State University Extension rules (method). "Last call" = the window closes within 10 days.