What Can Grow in Flagstaff, AZ

Flagstaff sits at 7

Flagstaff, AZ is in USDA Hardiness Zone 6a. The growing season lasts about broccoli|kale|carrots|peas|beans|root vegetables days, with last frost around 115 and first fall frost around May 20. Top crops include 000 feet — dramatically cooler than the Phoenix area. A true four-season mountain climate..

6aUSDA Zone
broccoli|kale|carrots|peas|beans|root vegetables daysFrost-Free
115Last Frost
May 20First Frost
🌱 What Grows in Flagstaff
000 feet — dramatically cooler than the Phoenix area. A true four-season mountain climate.
💡 Planting Tips

September 15

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📍 Full Zone 6a Guide 🌎 Arizona Planting Guide

Frequently Asked Questions

Flagstaff, AZ is in USDA Plant Hardiness Zone 6a. Flagstaff sits at 7

The average last spring frost in Flagstaff is around 115. The first fall frost typically arrives around May 20, giving a frost-free growing season of approximately broccoli|kale|carrots|peas|beans|root vegetables days.

Flagstaff's Zone 6a climate supports growing 000 feet — dramatically cooler than the Phoenix area. A true four-season mountain climate.. September 15

In Flagstaff, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of 115. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.