Chandler, AZ Planting Calendar
The last spring frost in Chandler usually comes around Jan 31. Start tomatoes indoors Dec 20 – Jan 3 and plant them outside Feb 14 – Feb 28.
Last spring frostJan 31
When to plant vegetables in Chandler
| Vegetable | Start seeds indoors | Plant outside | Fall crop |
|---|---|---|---|
| Tomatoes | Dec 20 – Jan 3 | Feb 14 – Feb 28 | — |
| Peppers | Dec 13 – Dec 27 | Feb 21 – Mar 7 | — |
| Eggplant | Dec 13 – Dec 27 | Feb 21 – Mar 7 | — |
| Cucumbers | — | Feb 14 – Feb 28 | — |
| Zucchini & summer squash | — | Feb 14 – Feb 28 | — |
| Pumpkins & winter squash | — | Feb 21 – Mar 7 | — |
| Green beans | — | Feb 14 – Feb 28 | — |
| Sweet corn | — | Feb 14 – Feb 28 | — |
| Basil | Jan 3 – Jan 17 | Feb 14 – Feb 28 | — |
| Lettuce | Dec 6 – Dec 20 | Jan 3 – Feb 14 | — |
| Spinach | — | Dec 20 – Jan 10 | — |
| Peas | — | Dec 20 – Jan 10 | — |
| Carrots | — | Jan 3 – Feb 7 | — |
| Radishes | — | Dec 27 – Feb 14 | — |
| Broccoli | Nov 22 – Dec 6 | Jan 3 – Jan 17 | — |
| Kale | Dec 6 – Dec 20 | Dec 27 – Jan 10 | — |
| Onions | — | Jan 3 – Jan 17 | — |
| Potatoes | — | Jan 10 – Feb 7 | — |
| Garlic | — | — | — |
Dates count from the median frost dates (2016–2025) for Chandler. In a cold spring, wait a week; in a warm one you can go a week early.
Month-by-month planting in Chandler
- JanuaryStart indoors: Tomatoes, BasilPlant outside: Lettuce, Spinach, Peas, Carrots, Radishes, Broccoli, Kale, Onions, Potatoes
- FebruaryPlant outside: Tomatoes, Peppers, Eggplant, Cucumbers, Zucchini & summer squash, Pumpkins & winter squash, Green beans, Sweet corn, Basil, Lettuce, Carrots, Radishes, Potatoes
- MarchPlant outside: Peppers, Eggplant, Pumpkins & winter squash
- AprilPlan, order seeds and prepare beds.
- MayPlan, order seeds and prepare beds.
- JunePlan, order seeds and prepare beds.
- JulyPlan, order seeds and prepare beds.
- AugustPlan, order seeds and prepare beds.
- SeptemberPlan, order seeds and prepare beds.
- OctoberPlan, order seeds and prepare beds.
- NovemberStart indoors: Broccoli
- DecemberStart indoors: Tomatoes, Peppers, Eggplant, Lettuce, Broccoli, KalePlant outside: Spinach, Peas, Radishes, Kale
Tools for this season
Seed starting kitTrays with humidity domes for starting seeds indoors.See options on AmazonLED grow lightKeeps indoor seedlings short and sturdy.See options on AmazonFrost clothCovers tender plants on a surprise frost night.See options on AmazonSoil thermometerCheck the soil at 4 inches before you spread anything.See options on Amazon
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Frequently asked questions
When is the last frost in Chandler?
The median last spring frost is Jan 31, based on 2016–2025 weather data.
When should I plant tomatoes in Chandler?
Start seeds indoors Dec 20 – Jan 3 and set plants outside Feb 14 – Feb 28, once nights stay above 50°F.