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Safe
Planting date for Garden Vegetables
This is a difficult question to answer... but on average we will
see our last frost somewhere between May 15th to May 25th. As you are well
aware... in Colorado it can snow in June or September.
The table below lists the approximate dates for safe planting of
vegetable seeds and pre-started vegetable plants.
| Vegetable |
Approximate safe
Date |
| Artichokes |
May 15 to May 25 |
Asparagus from Seed
Asparagus from Crowns |
May 15 to May 25
April 1 to April 30 |
| Beans - Bush and Pole |
May 15 to May 25 |
| Beans - Lima and Butter |
May 15 to May 25 |
| Beets |
May 4 to May 18 |
| Broccoli |
April 20 to May 5 |
| Brussels Sprouts |
April 20 to May 5 |
| Cabbage from pre-starts |
April 20 to May 5 |
| Cantaloupe |
May 15 to May 25 |
| Carrots |
May 4 to May 18 |
| Cauliflower |
April 20 to May 5 |
| Celery from pre-starts |
May 4 to May 18 |
| Collard Greens |
April 20 to May 5 |
| Corn |
May 15 to May 25 |
| Cucumbers |
May 15 to May 25 |
| Eggplant |
May 15 to May 25 |
| Garlic |
October |
| Kohlrabi |
April 20 to May 5 |
| Leek |
April 20 to May 5 |
| Lettuce |
April 20 to May 5 |
| Mustard Greens |
April 20 to May 5 |
| Okra |
May 15 to May 25 |
| Onions for sets |
April 1 to April 30 |
| Peas |
April 20 to May 5 |
| Peppers |
May 15 to May 25 |
Potatoes
Potatoes - Sweet |
April 1 to April 30
May 15 to May 25 |
| Pumpkins |
May 15 to May 25 |
| Radishes |
May 4 to May 18 |
| Rhubarb |
April 1 to April 30 |
| Rutabaga |
April 20 to May 5 |
| Shallots |
Plant in fall or April 20
to May 5 |
| Spinach |
April 20 to May 5 |
| Strawberries from crowns |
April 1 to April 30 |
| Squash |
May 15 to May 25 |
| Tomatoes |
May 15 to May 25 |
| Turnips |
April 20 to May 5 |
| Watermelons |
May 15 to May 25 |
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