Planting calendar

Potato Planting Calendar for Arizona

Estimate spring and fall potato planting windows for Arizona, including seed starting, transplanting, outdoor sowing, harvest timing, and risk notes.

Potato plants and harvested potatoes in garden soil

Quick planting window

Start indoorsNot recommended; sow seeds directly instead
TransplantNot recommended; sow seeds directly to avoid root disturbance
Sow seedsFebruary to March
Estimated harvestMay to June
RiskLow risk

Month calendar

Scan the year by month to see seed starting, sowing, transplanting, and harvest timing.

Jan
Watch
Feb
Sow seeds
Mar
Sow seeds
Apr
Watch
May
Harvest
Jun
Harvest
Jul
Watch
Aug
Watch
Sep
Watch
Oct
Watch
Nov
Watch
Dec
Watch

Potato is a reasonable spring choice for Arizona if you adjust for your local microclimate.

Next: ZIP code personalization

This is a state-level planning window based on typical frost timing and crop rules. Use local Extension guidance or a ZIP code frost-date tool before planting.

Planning notes

Days to maturity

100

Covered states

Arizona

Frost window

February to April / October to December

Low desert gardens often plant cool-season crops in fall and winter; high elevation gardens are much shorter season.

Potato growing notes

The calendar window is only the first step. These growing details affect survival, plant vigor, and harvest quality.

Sun

Full sun.

Soil

Loose, slightly acidic, well-drained soil.

Spacing

10-12 inches between seed pieces.

Container

Works well in grow bags or deep containers.

Watering

Keep evenly moist after plants emerge.

Common mistake

Letting tubers get exposed to light.

Beginner tip

Hill soil or mulch as plants reach 6-8 inches tall.

Month window table

CropSpring transplant / sowSpring harvestFall transplant / sowFall harvest
PotatoFebruary to MarchMay to JuneAugust to SeptemberNovember to December

Sources and limits

This page uses Arizona state-level frost windows, USDA zone ranges, and crop rules for planning. It does not replace local Extension or county-level guidance.

FAQ

When should I start potato seeds indoors in Arizona?

Potato is usually not started indoors. Sow outdoors in the recommended window instead.

When should I transplant potato in Arizona?

Potato is usually better sown outdoors because transplanting can disturb the roots.

Can I sow potato outdoors in Arizona?

Yes. The spring outdoor sowing window is about February to March, assuming soil and night temperatures are suitable.

When can I harvest potato in Arizona?

Spring planting estimates a harvest around May to June; fall planting estimates about November to December. Variety and weather can shift this by several weeks.

Is potato risky in Arizona?

Potato is a reasonable spring choice for Arizona if you adjust for your local microclimate. For fall: Potato is a reasonable fall choice for Arizona if you adjust for your local microclimate.

Do local differences inside Arizona matter?

Low desert gardens often plant cool-season crops in fall and winter; high elevation gardens are much shorter season. Treat this as a state-level starter window and confirm with a local Extension or frost-date tool before planting.

What growing details matter most for potato?

Full sun. Loose, slightly acidic, well-drained soil. Common mistake: Letting tubers get exposed to light.

Is this ZIP-code accurate?

No. This page uses state-level windows; ZIP-code frost dates, USDA zone matching, and reminder calendars are planned for the next phase.