Cultivating a thriving vegetable garden in Central Oregon requires careful planning and timing due to the region's unique climate challenges, such as a short growing season and the possibility of frost during summer months. To assist gardeners in navigating these conditions, the Oregon State University Extension Service provides a comprehensive vegetable garden calendar. This resource offers detailed guidance on optimal planting and harvesting times for a variety of vegetables, tailored specifically to Central Oregon's environment.
Soil temperature matters for successful planting, so this timing is for gardeners in Central Oregon. For planting dates across all Oregon regions, see more in the Growing Your Own planting table.
| Vegetable | When to plant or sow | When to harvest |
|---|---|---|
| Asparagus | Crowns: June | April |
| Beans | Seed: June | Aug–Oct |
| Beets | Seed: April–May, Aug | Mid-July, Oct |
| Broccoli | Transplants: April, May, Aug | July–Aug, Nov |
| Brussels sprouts | Transplants: mid-Apr–May, mid-Aug | July–Aug, Nov |
| Cabbage | Transplants: mid-Apr–May, mid-Aug | Mid-Aug, mid-Sep–Oct |
| Carrots | Seed: mid-April–May, Aug -Sep | July, Oct |
| Cauliflower | Transplants: May–June 7, Aug 1–7 | July, Oct |
| Chard | Seed: May–June | Mid-Aug–Sep |
| Corn, sweet | Seed: mid-May–mid-June | Mid-Aug–Sep |
| Cucumbers | Transplants: late May, early June | Mid-Aug–mid-Sep |
| Garlic | Bulbs: mid-Oct–Nov | Late July–early Sep |
| Kohlrabi | Seed/transplants: May–June | July–Aug |
| Leeks | Transplants: May–June | July–Aug |
| Lettuce | Seed: April–May | Late May–July |
| Onions | Transplants: April–early June | Aug–Sep |
| Peas | Seed: mid-April–May | June |
| Peppers | Transplants: mid-May–mid-June | Aug–Sep |
| Potatoes | Seed: late April–May | Mid-Aug–Oct |
| Pumpkins | Transplants: late May–early June | Sep–Oct |
| Radishes | Seed: mid-April–mid-May, late May | Mid-May–June |
| Rhubarb | Roots: May | May |
| Spinach | Seed: mid-April–early May | Late May–early June |
| Squash, summer | Transplants: late May–early June | Mid-July–mid-Aug |
| Squash, winter | Transplants: late May–early June | Mid-Sep–Oct |
| Tomatoes | Transplants: late May–early June | Mid-July–Sep |
