What to plant in June in Wyoming
In Wyoming (WY), June comes about 4 weeks after the average last frost (May 20). The state averages 118 frost-free days a year (last frost May 20, first frost September 15; USDA zones 3a, 3b, 4a, 4b, 5a, 6a).
69 crops have a sowing or planting window this month, including dill, sunflower, ground cherry, new zealand spinach, peanut, pumpkin - and 53 of those windows close during June.
Dates here come from Wyoming frost dates (last frost May 20, first frost Sep 15). For one crop in detail, see when to plant pumpkin, tomato or winter squash in Wyoming.
Wyoming covers a very wide range of climates, so dates near you can be two weeks or more either side of these. Enter your ZIP code in the planting calendar for dates tuned to your town.
Wyoming: planting activity through the year
Last chance in June
Dill (direct sow (spring), by Jun 3) · Sunflower (direct sow (spring), by Jun 3) · Ground Cherry (transplant outdoors, by Jun 6) · New Zealand Spinach (transplant outdoors, by Jun 6) · Peanut (transplant outdoors, by Jun 6) · Pumpkin (transplant outdoors, by Jun 6) · Rosemary (transplant outdoors, by Jun 6) · Shiso (Perilla) (transplant outdoors, by Jun 6) · Summer Savory (transplant outdoors, by Jun 6) · Sunflower (transplant outdoors, by Jun 6) · Sweet Marjoram (transplant outdoors, by Jun 6) · Tomatillo (transplant outdoors, by Jun 6) · Tomato (transplant outdoors, by Jun 6) · Winter Squash (transplant outdoors, by Jun 6) · Zucchini / Summer Squash (transplant outdoors, by Jun 6) · Amaranth (Leaf) (direct sow (spring), by Jun 10) · Bush Bean (direct sow (spring), by Jun 10) · Edamame (Soybean) (direct sow (spring), by Jun 10) · New Zealand Spinach (direct sow (spring), by Jun 10) · Pole Bean (direct sow (spring), by Jun 10) · Pumpkin (direct sow (spring), by Jun 10) · Shiso (Perilla) (direct sow (spring), by Jun 10) · Summer Savory (direct sow (spring), by Jun 10) · Sweet Corn (direct sow (spring), by Jun 10) · Sweet Marjoram (direct sow (spring), by Jun 10) · Winter Squash (direct sow (spring), by Jun 10) · Zucchini / Summer Squash (direct sow (spring), by Jun 10) · Basil (transplant outdoors, by Jun 13) · Bell Pepper (transplant outdoors, by Jun 13) · Bitter Melon (transplant outdoors, by Jun 13) · Cantaloupe / Muskmelon (transplant outdoors, by Jun 13) · Chili Pepper (transplant outdoors, by Jun 13) · Cucamelon (transplant outdoors, by Jun 13) · Cucumber (transplant outdoors, by Jun 13) · Luffa (Loofah Gourd) (transplant outdoors, by Jun 13) · Malabar Spinach (transplant outdoors, by Jun 13) · Okra (transplant outdoors, by Jun 13) · Watermelon (transplant outdoors, by Jun 13) · Basil (direct sow (spring), by Jun 17) · Bitter Melon (direct sow (spring), by Jun 17) · Cantaloupe / Muskmelon (direct sow (spring), by Jun 17) · Chayote (direct sow (spring), by Jun 17) · Cucamelon (direct sow (spring), by Jun 17) · Cucumber (direct sow (spring), by Jun 17) · Lima Bean (direct sow (spring), by Jun 17) · Luffa (Loofah Gourd) (direct sow (spring), by Jun 17) · Malabar Spinach (direct sow (spring), by Jun 17) · Okra (direct sow (spring), by Jun 17) · Peanut (direct sow (spring), by Jun 17) · Southern Pea (Cowpea) (direct sow (spring), by Jun 17) · Watermelon (direct sow (spring), by Jun 17) · Brussels Sprouts (start transplants for fall, by Jun 2) · Rutabaga (sow for a fall crop, by Jun 16)
Sow or plant outdoors in June (55)
Direct sowing and transplanting windows that fall in June, most urgent first. Windows are one-to-two-week bands around the ideal date.
| Crop | What to do | Window | This month |
|---|---|---|---|
| Dill | Direct sow (spring) | May 15 – Jun 3 | Last chance - ends Jun 3 |
| Sunflower | Direct sow (spring) | May 15 – Jun 3 | Last chance - ends Jun 3 |
| Ground Cherry | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| New Zealand Spinach | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Peanut | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Pumpkin | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Rosemary | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Shiso (Perilla) | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Summer Savory | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Sunflower | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Sweet Marjoram | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Tomatillo | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Tomato | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Winter Squash | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Zucchini / Summer Squash | Transplant outdoors | May 20 – Jun 6 | Last chance - ends Jun 6 |
| Amaranth (Leaf) | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Bush Bean | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Edamame (Soybean) | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| New Zealand Spinach | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Pole Bean | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Pumpkin | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Shiso (Perilla) | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Summer Savory | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Sweet Corn | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Sweet Marjoram | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Winter Squash | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Zucchini / Summer Squash | Direct sow (spring) | May 22 – Jun 10 | Last chance - ends Jun 10 |
| Basil | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Bell Pepper | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Bitter Melon | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Cantaloupe / Muskmelon | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Chili Pepper | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Cucamelon | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Cucumber | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Luffa (Loofah Gourd) | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Malabar Spinach | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Okra | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Watermelon | Transplant outdoors | May 27 – Jun 13 | Last chance - ends Jun 13 |
| Basil | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Bitter Melon | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Cantaloupe / Muskmelon | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Chayote | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Cucamelon | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Cucumber | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Lima Bean | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Luffa (Loofah Gourd) | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Malabar Spinach | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Okra | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Peanut | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Southern Pea (Cowpea) | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Watermelon | Direct sow (spring) | May 29 – Jun 17 | Last chance - ends Jun 17 |
| Eggplant | Transplant outdoors | Jun 3 – Jun 20 | Jun 3 – Jun 20 |
| Ginger | Transplant outdoors | Jun 3 – Jun 20 | Jun 3 – Jun 20 |
| Sweet Potato | Transplant outdoors | Jun 3 – Jun 20 | Jun 3 – Jun 20 |
| Turmeric | Transplant outdoors | Jun 3 – Jun 20 | Jun 3 – Jun 20 |
For fall and winter harvests (18)
Sowings counted back from Wyoming's first fall frost, so the crop matures before the cold - or, for garlic and similar, planted after it.
| Crop | What to do | Window | This month |
|---|---|---|---|
| Brussels Sprouts | Start transplants for fall | May 16 – Jun 2 | Last chance - ends Jun 2 |
| Rutabaga | Sow for a fall crop | May 30 – Jun 16 | Last chance - ends Jun 16 |
| Broccoli | Start transplants for fall | Jun 6 – Jun 23 | Jun 6 – Jun 23 |
| Cabbage | Start transplants for fall | Jun 6 – Jun 23 | Jun 6 – Jun 23 |
| Cauliflower | Start transplants for fall | Jun 6 – Jun 23 | Jun 6 – Jun 23 |
| Cucumber | Sow for a fall crop | Jun 13 – Jun 30 | Jun 13 – Jun 30 |
| Fennel (Bulb) | Sow for a fall crop | Jun 13 – Jun 30 | Jun 13 – Jun 30 |
| Zucchini / Summer Squash | Sow for a fall crop | Jun 13 – Jun 30 | Jun 13 – Jun 30 |
| Bush Bean | Sow for a fall crop | Jun 20 – Jul 7 | Opens Jun 20 |
| Carrot | Sow for a fall crop | Jun 20 – Jul 7 | Opens Jun 20 |
| Kale | Sow for a fall crop | Jun 20 – Jul 7 | Opens Jun 20 |
| Radicchio | Sow for a fall crop | Jun 20 – Jul 7 | Opens Jun 20 |
| Collard Greens | Sow for a fall crop | Jun 27 – Jul 14 | Opens Jun 27 |
| Endive & Escarole | Sow for a fall crop | Jun 27 – Jul 14 | Opens Jun 27 |
| Napa Cabbage | Sow for a fall crop | Jun 27 – Jul 14 | Opens Jun 27 |
| Parsley | Sow for a fall crop | Jun 27 – Jul 14 | Opens Jun 27 |
| Pea | Sow for a fall crop | Jun 27 – Jul 14 | Opens Jun 27 |
| Swiss Chard | Sow for a fall crop | Jun 27 – Jul 14 | Opens Jun 27 |
Keep sowing (succession)
Repeat sowings of crops already in the ground, for a steady harvest instead of a glut.
- Pea: sow again on Jun 2 and Jun 14
- Lettuce: sow again on Jun 11 and Jun 23
- Spinach: sow again on Jun 2 and Jun 14
- Carrot: sow again on Jun 4 and Jun 22
- Beet: sow again on Jun 15
- Radish: sow again on Jun 1 and Jun 11 and Jun 21
- Cilantro / Coriander: sow again on Jun 11
- Arugula: sow again on Jun 9 and Jun 21
- Turnip: sow again on Jun 10 and Jun 24
- Kohlrabi: sow again on Jun 10 and Jun 24
- Bok Choy / Pak Choi: sow again on Jun 3 and Jun 17
- Mustard Greens: sow again on Jun 10 and Jun 24
- Green Onion / Scallion: sow again on Jun 3 and Jun 24
- Fennel (Bulb): sow again on Jun 3 and Jun 24
- Endive & Escarole: sow again on Jun 3 and Jun 17
- Mache (Corn Salad): sow again on Jun 10 and Jun 24
- Rapini (Broccoli Raab): sow again on Jun 10 and Jun 24
- Tatsoi: sow again on Jun 9 and Jun 21
- Mizuna: sow again on Jun 9 and Jun 21
- Chervil: sow again on Jun 10 and Jun 24
- Watercress: sow again on Jun 17
Harvesting in June
First harvests expected this month from crops sown or planted on time earlier in the season.
Planting dates for popular crops in Wyoming
Every crop has its own full-year dates for Wyoming: indoor start, transplant or direct sowing, and harvest.
Main planting month: June garden jobs in Wyoming
- With the average last frost on May 20, 37 crops can go in outdoors this month, including dill, sunflower, ground cherry, new zealand spinach.
- Transplant on a cloudy afternoon and water in well - see transplanting seedlings without shock.
- Once the soil has warmed, lay mulch around established plants to hold moisture and smother weeds.
- Sow quick crops little and often - lettuce, radish and beans every two to three weeks give a steady harvest instead of a glut (succession planting).
USDA zone chart for Wyoming
Wyoming spans USDA zones 3a, 3b, 4a, 4b, 5a, 6a. Colder zones, usually higher or further inland, have a later last spring frost and an earlier first fall frost than the state average.
Questions gardeners ask
What vegetables can I plant in Wyoming in June?
69 crops have a window in June: dill, sunflower, ground cherry, new zealand spinach, peanut, pumpkin, rosemary, shiso (perilla), summer savory, sweet marjoram and more. The tables above give the exact dates for each.
Is it too late to plant tomatoes in Wyoming in June?
No - transplant outdoors runs May 20 – Jun 6 in Wyoming, so do it before June 6.
Is it too late to plant lettuce in Wyoming in June?
Not too late - it's actually a little early. In Wyoming the next lettuce window opens around July 11: sow for a fall crop.
When is the first frost in Wyoming?
The statewide average first fall frost is around September 15 and the last spring frost around May 20. Wyoming covers a wide range of climates, so local dates can differ by two weeks or more - look yours up by ZIP code.
What can I harvest in Wyoming in June?
From plantings made on time: arugula, tatsoi, mizuna, mustard greens, mache (corn salad), lettuce, turnip, rapini (broccoli raab), chervil, pea.
What to plant in June in other states
Dates are computed from Wyoming’s statewide average frost dates (from NOAA/NCEI climate normals) and each crop’s timing in our crop database. Your garden may be a week or two either side - for dates tuned to your ZIP code, use the planting calendar.