Wyoming planting calendar
Wyoming falls in USDA Zones 3 to 6. Here is a planting calendar for Zone 4, the most common zone across Wyoming, with start, sow, transplant, and harvest dates for every crop. Enter your ZIP code in Dibble for dates tuned to your exact spot.
Right now in Wyoming
What has a planting window open in Zone 4 this month and next, and what is coming in from the garden. Every crop links to its exact dates.
January in Zone 4
No planting windows open in January for Zone 4. It is the stretch for planning beds, ordering seed and getting tools ready.
February in Zone 4
No planting windows open in February for Zone 4. It is the stretch for planning beds, ordering seed and getting tools ready.
March in Zone 4
- Start seeds indoors: Tomato, Pepper, Onion, Kale, Broccoli, Cabbage, Marigold, Parsley, Oregano, Sage, Chives, Eggplant, Cauliflower, Leek, Celery, Hot Pepper, Tomatillo, Collard Greens
- Direct sow: Spinach
April in Zone 4
- Start seeds indoors: Tomato, Kale, Broccoli, Cabbage, Basil, Marigold, Parsley, Oregano, Chives, Cauliflower, Brussels Sprouts, Tomatillo, Collard Greens
- Direct sow: Potato, Lettuce, Carrot, Pea, Spinach, Beet, Radish, Cilantro, Dill, Swiss Chard, Turnip, Parsnip, Arugula, Calendula, Green Onion, Bok Choy, Fennel, Shallot, Kohlrabi, Chamomile
- Transplant: Onion, Kale, Broccoli, Cabbage, Strawberry, Blueberry, Raspberry, Blackberry, Asparagus, Rhubarb, Grape, Parsley, Chives, Cauliflower, Leek, Collard Greens, Apple, Pear, Peach, Plum, Cherry, Apricot
Harvesting: Garlic, Asparagus, Rhubarb, Rosemary, Lemon, Orange
May in Zone 4
- Direct sow: Potato, Carrot, Bean (bush), Cucumber, Zucchini, Winter Squash, Sweet Corn, Cilantro, Zinnia, Sunflower, Cosmos, Dill, Swiss Chard, Parsnip, Okra, Cantaloupe, Watermelon, Nasturtium, Calendula, Borage, Pumpkin, Bok Choy, Fennel, Shallot, Kohlrabi, Chamomile
- Transplant: Tomato, Pepper, Onion, Kale, Broccoli, Sweet Potato, Cabbage, Basil, Marigold, Strawberry, Blueberry, Raspberry, Blackberry, Asparagus, Rhubarb, Grape, Fig, Mint, Parsley, Thyme, Rosemary, Oregano, Sage, Chives, Eggplant, Cauliflower, Brussels Sprouts, Leek, Celery, Lavender, Hot Pepper, Tomatillo, Collard Greens, Apple, Pear, Peach, Plum, Cherry, Apricot, Lemon, Orange
- Plant tubers: Dahlia
Harvesting: Garlic, Spinach, Radish, Asparagus, Rhubarb, Arugula, Orange
June in Zone 4
- Direct sow: Cucumber, Winter Squash, Okra, Cantaloupe, Watermelon, Pumpkin
- Transplant: Pepper, Sweet Potato, Eggplant, Brussels Sprouts, Hot Pepper, Lemon, Orange
Harvesting: Lettuce, Carrot, Pea, Kale, Spinach, Broccoli, Beet, Cilantro, Marigold, Asparagus, Rhubarb, Dill, Swiss Chard, Turnip, Arugula, Calendula, Green Onion, Collard Greens, Bok Choy, Kohlrabi, Chamomile
July in Zone 4
No planting windows open in July for Zone 4. It is the stretch for planning beds, ordering seed and getting tools ready.
Harvesting: Tomato, Potato, Carrot, Bean (bush), Cucumber, Zucchini, Kale, Broccoli, Sweet Corn, Cabbage, Basil, Cilantro, Zinnia, Sunflower, Marigold, Cosmos, Strawberry, Parsley, Dill, Chives, Swiss Chard, Cauliflower, Okra, Nasturtium, Calendula, Borage, Green Onion, Tomatillo, Collard Greens, Bok Choy, Fennel, Kohlrabi, Chamomile, Cherry
August in Zone 4
Harvesting: Tomato, Pepper, Potato, Onion, Bean (bush), Cucumber, Zucchini, Kale, Sweet Corn, Basil, Dahlia, Zinnia, Sunflower, Marigold, Cosmos, Strawberry, Blueberry, Raspberry, Mint, Parsley, Thyme, Oregano, Sage, Chives, Eggplant, Swiss Chard, Leek, Parsnip, Okra, Cantaloupe, Watermelon, Nasturtium, Calendula, Borage, Hot Pepper, Tomatillo, Collard Greens, Fennel, Shallot, Chamomile, Peach, Cherry, Apricot
September in Zone 4
- Direct sow: Garlic
Harvesting: Tomato, Pepper, Winter Squash, Sweet Potato, Basil, Dahlia, Zinnia, Marigold, Cosmos, Strawberry, Blueberry, Raspberry, Blackberry, Grape, Mint, Parsley, Thyme, Rosemary, Oregano, Sage, Chives, Eggplant, Swiss Chard, Brussels Sprouts, Leek, Parsnip, Celery, Okra, Cantaloupe, Watermelon, Nasturtium, Calendula, Borage, Lavender, Pumpkin, Hot Pepper, Tomatillo, Collard Greens, Apple, Pear, Peach, Plum, Apricot
October in Zone 4
No planting windows open in October for Zone 4. It is the stretch for planning beds, ordering seed and getting tools ready.
Harvesting: Pepper, Basil, Dahlia, Cosmos, Raspberry, Blackberry, Grape, Fig, Mint, Parsley, Thyme, Rosemary, Oregano, Sage, Chives, Eggplant, Swiss Chard, Brussels Sprouts, Leek, Parsnip, Celery, Nasturtium, Borage, Lavender, Pumpkin, Hot Pepper, Apple, Pear, Plum
November in Zone 4
No planting windows open in November for Zone 4. It is the stretch for planning beds, ordering seed and getting tools ready.
Harvesting: Fig, Mint, Thyme, Rosemary, Oregano, Sage, Chives, Lavender
December in Zone 4
No planting windows open in December for Zone 4. It is the stretch for planning beds, ordering seed and getting tools ready.
Harvesting: Tulip, Mint, Thyme, Rosemary, Oregano, Sage, Chives
Any month: January · February · March · April · May · June · July · August · September · October · November · December
What to plant and when in Wyoming
| Crop | Plant | Harvest |
|---|---|---|
| Tomato | May 17 | July 31 |
| Pepper | May 24 | August 2 |
| Potato | April 26 | July 25 |
| Onion | April 26 | August 4 |
| Garlic | August 24 | April 21 |
| Lettuce | April 12 | June 1 |
| Carrot | April 19 | June 28 |
| Bean (bush) | May 17 | July 11 |
| Pea | April 5 | June 4 |
| Cucumber | May 24 | July 23 |
| Zucchini | May 17 | July 11 |
| Winter Squash | May 24 | September 1 |
| Kale | April 26 | June 25 |
| Spinach | March 29 | May 13 |
| Broccoli | April 26 | June 30 |
| Beet | April 12 | June 6 |
| Radish | April 12 | May 10 |
| Sweet Corn | May 17 | July 31 |
| Sweet Potato | May 31 | September 8 |
| Cabbage | April 26 | July 5 |
| Basil | May 17 | July 16 |
| Cilantro | April 26 | June 15 |
| Dahlia | May 17 | August 15 |
| Zinnia | May 17 | July 16 |
| Sunflower | May 10 | July 29 |
| Marigold | May 10 | June 29 |
| Tulip | August 10 | December 8 |
| Cosmos | May 17 | July 26 |
| Strawberry | April 26 | July 25 |
| Blueberry | April 19 | August 17 |
| Raspberry | April 19 | August 17 |
| Blackberry | April 26 | September 3 |
| Asparagus | April 26 | April 26 |
| Rhubarb | April 19 | April 19 |
| Grape | April 26 | September 23 |
| Fig | May 17 | October 14 |
| Mint | May 10 | August 8 |
| Parsley | April 26 | July 10 |
| Dill | April 26 | June 20 |
| Thyme | May 10 | August 8 |
| Rosemary | May 17 | September 14 |
| Oregano | May 10 | August 8 |
| Sage | May 10 | August 8 |
| Chives | April 26 | July 15 |
| Eggplant | May 24 | August 7 |
| Swiss Chard | April 26 | June 20 |
| Cauliflower | April 26 | July 5 |
| Brussels Sprouts | May 24 | September 1 |
| Leek | April 26 | August 24 |
| Turnip | April 12 | June 1 |
| Parsnip | April 26 | August 24 |
| Celery | May 10 | September 7 |
| Arugula | April 12 | May 17 |
| Okra | May 24 | July 23 |
| Cantaloupe | May 24 | August 12 |
| Watermelon | May 24 | August 17 |
| Nasturtium | May 17 | July 6 |
| Calendula | April 26 | June 15 |
| Borage | May 10 | July 4 |
| Lavender | May 10 | September 7 |
| Pumpkin | May 24 | September 11 |
| Hot Pepper | May 24 | August 12 |
| Green Onion | April 12 | June 11 |
| Tomatillo | May 17 | July 31 |
| Collard Greens | April 26 | June 25 |
| Bok Choy | April 26 | June 10 |
| Fennel | April 26 | July 15 |
| Shallot | April 26 | August 4 |
| Kohlrabi | April 26 | June 20 |
| Chamomile | April 26 | June 30 |
| Apple | April 19 | September 16 |
| Pear | April 19 | September 16 |
| Peach | April 26 | August 24 |
| Plum | April 19 | September 6 |
| Cherry | April 19 | July 18 |
| Apricot | April 26 | August 14 |
| Lemon | May 24 | February 18 |
| Orange | May 24 | March 20 |
These dates use Zone 4 as a representative for Wyoming. Your town may run a zone warmer or cooler, so Dibble pins the dates to your exact ZIP code.
Planting seasons in Wyoming
Spring planting in Wyoming
Zone 4's last spring frost lands around May 10. Spring in Wyoming is the crowded season: the last of the indoor starts, the first direct sowings once the soil can be worked, and the transplants that go out after the frost date passes.
- Start seeds indoors: Tomato, Pepper, Onion, Kale, Broccoli, Cabbage, Marigold, Parsley, Oregano, Sage, Chives, Eggplant, Cauliflower, Leek, Celery, Hot Pepper, Tomatillo, Collard Greens, Basil, Brussels Sprouts
- Direct sow: Spinach, Potato, Lettuce, Carrot, Pea, Beet, Radish, Cilantro, Dill, Swiss Chard, Turnip, Parsnip, Arugula, Calendula, Green Onion, Bok Choy, Fennel, Shallot, Kohlrabi, Chamomile, Bean (bush), Cucumber, Zucchini, Winter Squash, Sweet Corn, Zinnia, Sunflower, Cosmos, Okra, Cantaloupe, Watermelon, Nasturtium, Borage, Pumpkin
- Transplant: Onion, Kale, Broccoli, Cabbage, Strawberry, Blueberry, Raspberry, Blackberry, Asparagus, Rhubarb, Grape, Parsley, Chives, Cauliflower, Leek, Collard Greens, Apple, Pear, Peach, Plum, Cherry, Apricot, Tomato, Pepper, Sweet Potato, Basil, Marigold, Fig, Mint, Thyme, Rosemary, Oregano, Sage, Eggplant, Brussels Sprouts, Celery, Lavender, Hot Pepper, Tomatillo, Lemon, Orange
- Plant tubers: Dahlia
Summer planting in Wyoming
Summer in Wyoming is succession sowing and the start of the fall garden. Quick crops go in every few weeks, and the cool-season crops for autumn are started while it is still hot.
- Direct sow: Cucumber, Winter Squash, Okra, Cantaloupe, Watermelon, Pumpkin, Garlic
- Transplant: Pepper, Sweet Potato, Eggplant, Brussels Sprouts, Hot Pepper, Lemon, Orange
- Plant bulbs: Tulip
Fall planting in Wyoming
Zone 4's first fall frost lands around September 21. Fall planting in Wyoming means cool-season crops that finish before it, garlic and other bulbs that go in for next year, and anything hardy enough to overwinter.
- Direct sow: Garlic
Winter in Wyoming
Winter in Wyoming is when next year's garden gets planned and the seed order goes in. Toward the end of it the earliest indoor starts begin, counted back from the last spring frost.
Nothing goes in the ground in Zone 4 between December and February. It is the planning stretch.
Wyoming frost dates
The last spring frost and first fall frost anchor every planting date here. See Wyoming frost dates by zone.
Find your exact zone in Wyoming
Wyoming spans Zones 3 to 6. Pick the zone that matches your area for a full planting calendar:
Plant at the right time this season
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