Maricopa County is the source scope, and the publication is a detailed garden planting calendar for selected fruits and vegetables in Maricopa County, Arizona.
Regional guide
Maricopa County Low-Desert Vegetable Garden
UA az1005 Maricopa County calendar for low-desert heat, spring/fall seasons, S/T/X rows, pest timing, and soil temperatures.
Regional timing
Current regional planting plan
UA az1005 Maricopa County calendar for low-desert heat, spring/fall seasons, S/T/X rows, pest timing, and soil temperatures.
Source-backed timing
UA Extension vegetable planting calendar for Maricopa County
Maricopa County
6 climate signals
Source
source cues
Local
conditions
- The source is a verified Peer Reviewed handout, Publication Date: September 2018, Publication Number: az1005.
- Maricopa County is the source scope, and the publication is a detailed garden planting calendar for selected fruits and vegetables in Maricopa County, Arizona.
- High temperatures, both day and night for extended periods, low humidity, and high solar intensity can put tremendous stress on plants.
- Catalog priority
- 36 priority crops 36 catalog examples
- Climate checks
- 6 climate signals 10 planning notes
- Timing basis
- Use regional source signals source guidance first
Green Globe Artichoke, Genovese Basil, Provider Bush Bean, Detroit Dark Red Beet
For pest timing, delay fall planting until whitefly populations decline with cooler temperatures and delay spring planting until soils become warm and dry to reduce fungal and bacterial disease.
Calendar
Convert regional timing into dated sowing, transplant, and harvest jobs.
Frost dates
Keep hardiness zone context separate from local first and last frost dates.
All regions
Compare this guide with the broader regional atlas.
Arizona Elevation Bands
UA Cooperative Extension guide for Arizona vegetable timing by elevation, heat, cold, frost dates, and crop adaptation.
Climate signals
- The source is a verified Peer Reviewed handout, Publication Date: September 2018, Publication Number: az1005.
- Maricopa County is the source scope, and the publication is a detailed garden planting calendar for selected fruits and vegetables in Maricopa County, Arizona.
- High temperatures, both day and night for extended periods, low humidity, and high solar intensity can put tremendous stress on plants.
- Some plants may not survive freezing temperatures if there is a hard winter frost.
- UA says extreme soil temperatures affect seed germination and stand establishment, and to use a soil thermometer to check for optimal soil temperatures in a range of 65 to 85 F for many commonly grown vegetables.
- Maricopa County has two optimal growing and planting seasons: one in the spring and the other in the fall.
Planning notes
- Calendar legend: S = seeds, T = transplants, and X = sets of cloves.
- For pest timing, delay fall planting until whitefly populations decline with cooler temperatures and delay spring planting until soils become warm and dry to reduce fungal and bacterial disease.
- Beans, Snap row is 60-90 days; March 15, April 1, April 15, July 15, Aug. 1, Aug. 15, and Sept. 1 are all marked S.
- Broccoli row is T=90-100 S=120-130 days; Jan. 1 is T/S, Jan. 15 is T, Aug. 15 is S, Sept. 1 is S, Sept. 15 is T/S, and Dec. 15 is T/S.
- Carrots row is 60-100 days; Jan. 1-April 15 and Aug. 1-Dec. 15 are marked S.
- Peppers row is 90-120 days; Feb. 15, March 1, March 15, July 1, and July 15 are marked T.
- Tomatoes row is 50-120 days; Feb. 15, March 1, March 15, July 15, and Aug. 1 are marked T.
- Radishes row is 30-60 days; Jan. 1-April 15 and Sept. 1-Dec. 15 are marked S.
- Onions, Bulb row is Sets=4-5 months S=7-8 months; Jan. 1 is X, Jan. 15 is X, Feb. 1 is X, Oct. 1 is S, Oct. 15 is S, Nov. 1 is S, Nov. 15 is S, Dec. 1 is X, and Dec. 15 is X.
- Use these priority catalog links as crop-row examples, not UA cultivar recommendations.
Catalog crop examples
These catalog entries match crops covered by the regional timing source; variety-specific details remain tied to each seed entry's own source.
- Green Globe Artichoke Vegetable · Warm · 120 days
- Genovese Basil Herb · Warm · 68 days
- Provider Bush Bean Vegetable · Warm · 50 days
- Detroit Dark Red Beet Vegetable · Cool · 58 days
- White Stem Bok Choy Vegetable · Cool · 45 days
- Waltham 29 Broccoli Vegetable · Cool · 74 days
- Long Island Improved Brussels Sprouts Vegetable · Cool · 100 days
- Golden Acre Cabbage Vegetable · Cool · 64 days
- Danvers 126 Carrot Vegetable · Shoulder · 70 days
- Snowball Y Cauliflower Vegetable · Cool · 70 days
- Tall Utah Celery Vegetable · Cool · 110 days
- Bright Lights Swiss Chard Vegetable · Shoulder · 55 days
- Georgia Southern Collards Vegetable · Cool · 65 days
- Golden Bantam Sweet Corn Vegetable · Warm · 80 days
- Marketmore 76 Cucumber Vegetable · Warm · 58 days
- Black Beauty Eggplant Vegetable · Warm · 80 days
- Green Curled Endive Vegetable · Cool · 85 days
- Lacinato Kale Vegetable · Cool · 60 days
- Early White Vienna Kohlrabi Vegetable · Cool · 55 days
- American Flag Leek Vegetable · Cool · 120 days
- Black Seeded Simpson Lettuce Vegetable · Cool · 45 days
- Hale's Best Jumbo Melon Vegetable · Warm · 85 days
- Southern Giant Curled Mustard Vegetable · Cool · 45 days
- Evergreen Bunching Onion Vegetable · Shoulder · 65 days
- Clemson Spineless Okra Vegetable · Warm · 56 days
- Hollow Crown Parsnip Vegetable · Cool · 120 days
- Sugar Snap Pea Vegetable · Cool · 62 days
- California Wonder Pepper Vegetable · Warm · 72 days
- Small Sugar Pumpkin Vegetable · Warm · 100 days
- French Breakfast Radish Vegetable · Cool · 28 days
- American Purple Top Rutabaga Vegetable · Cool · 90 days
- Bloomsdale Spinach Vegetable · Cool · 42 days
- Waltham Butternut Squash Vegetable · Warm · 95 days
- Roma Tomato Vegetable · Warm · 76 days
- Purple Top White Globe Turnip Vegetable · Cool · 55 days
- Sugar Baby Watermelon Vegetable · Warm · 80 days
Related regional guides
- Arizona Elevation-Band Vegetable Garden UA Cooperative Extension guide for Arizona vegetable timing by elevation, heat, cold, frost dates, and crop adaptation.
- Yuma County Planting and Harvesting Calendar UA az1615 Yuma County calendar for cool/warm seasons, alkaline/saline soils, pest pressure, crop rows, depths, and harvest windows.
- Pima County Vegetable Planting and Harvesting Guide UA Pima County half-month vegetable table with sow, transplant, harvest, do-not-plant markers, crop rows, and local timing examples.
Source: UA Extension vegetable planting calendar for Maricopa County