Home / Planting dates / Onions, Green / Maricopa County, Arizona
Onions, Green planting and harvest datesOnions, Green Planting Dates in Maricopa County, Arizona
Usual onions, green planting periods in Maricopa County, Arizona, shown as ranges with their source. Use them to frame a plan, then adjust for your own frost dates and soil temperature.
| Activity | Window | Source | Last verified |
|---|---|---|---|
| Planting | early Jan to end of Apr; early Aug to end of Dec (seed) | source | 2026-11-11 |
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Planting | Timing in table above | |||||||||||
What these dates mean in Maricopa County, Arizona
Frost-date caveat: these are published ranges for Maricopa County, Arizona. A northern or high-elevation site will run later than a southern or low one, and a cold wet spring can push planting past the window. Low-desert dates (two planting seasons); frost dates and local conditions vary by elevation and microclimate. Check your last spring frost and soil temperature, and confirm with your county extension office.
Other crops in Maricopa County, Arizona
- Artichokes, Globe
- Artichokes, Jerusalem
- Asparagus
- Basil
- Beans, Lima
- Beans, Pinto
- Beans, Snap
- Beans, Yardlong
- Beets
- Blackeyed Peas
- Bok Choy
- Broccoli
- Brussel Sprouts
- Cabbage
- Cabbage, Chinese
- Carrots
- Cauliflower
- Celery
- Chard
- Collard Greens
- Corn, Sweet
- Cucumbers
- Cucumbers, Armenian
- Eggplant
- Endive
- Garlic
- Kale
- Kohlrabi
- Leek
- Lettuce, Head
- Lettuce, Leaf
- Melons, Cantaloupe / Honeydews, etc.
- Melons, Watermelon
- Mustard
- Okra
- Onions, Bulb
- Onions, Shallots
- Parsnips
- Peanuts
- Peas
- Peppers
- Potatoes
- Potatoes, Sweet
- Pumpkin
- Radishes
- Rutabagas
- Spinach
- Squash, Summer
- Squash, Winter
- Sunflower
- Tomatoes
- Turnips
Last reviewed: November 2026. Source: UA Cooperative Extension - Vegetable Planting Calendar for Maricopa County.