Planting windows for Boulder 14 W
Computed from Boulder 14 W's own frost dates. Click any crop for the full zone-5 growing guide — varieties, spacing, fall plantings, and more.
| Crop | Start seeds indoors | Transplant | Direct sow |
|---|---|---|---|
| 🍅 Tomatoes | Apr 26 – May 10 | Jun 28 – Jul 5 | — |
| 🫑 Peppers | Apr 12 – Apr 26 | Jul 5 – Jul 12 | — |
| 🥬 Lettuce | May 10 – May 24 | May 24 – Jun 7 | May 24 – Jun 21 |
| 🫛 Peas | — | — | May 10 – May 24 |
| 🥕 Carrots | — | — | May 31 – Jun 21 |
| 🥦 Broccoli | May 3 – May 17 | May 31 – Jun 14 | — |
| 🥬 Kale | May 10 – May 24 | May 24 – Jun 7 | May 24 – Jun 7 |
| 🥒 Cucumbers | May 24 – May 31 | Jun 28 – Jul 5 | Jun 28 – Jul 5 |
| 🥒 Zucchini | May 24 – May 31 | Jun 28 – Jul 5 | Jun 28 – Jul 5 |
| 🫘 Green Beans (Bush) | — | — | Jun 28 – Jul 5 |
| 🌽 Sweet Corn | — | — | Jun 28 – Jul 5 |
| 🌿 Basil | May 10 – May 24 | Jun 28 – Jul 5 | Jul 5 – Jul 12 |
| 🧄 Garlic | — | — | Fall: Jul 22 – Aug 19 |
Want this for all 50 crops, or as a printable seed-shelf schedule? Use the planting calendar and the seed starting scheduler — both can use Boulder 14 W's dates automatically after a lookup.
Reading the season in Boulder 14 W
At about 73 frost-free days, Boulder 14 W rewards efficiency: start warm-season crops indoors, favor short-season varieties, and lean on cold-tolerant crops — peas, kale, roots — that shrug off the shoulder-season frosts on either end.