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Zone 9A — April

What to Plant in April in Zone 9A

April in Zone 9A: 0 crops to start indoors, 0 to plant or direct sow outside, and 201 entering harvest window. Last frost averages March 4. Reference city: Phoenix, AZ.
Updated May 13, 2026 · Frost data from NOAA 1991-2020 Climate Normals
0 Start Indoors
0 Plant Outside
201 Harvest
Frost risk: Cleared

Frost season has cleared in Zone 9A. The last spring frost typically passed by March 4, and the very latest 10% chance closed by March 27. Tender crops are safe to plant out.

See full Zone 9A frost outlook →

Start Indoors in April

No crops to start indoors in April for Zone 9A.

Plant Outside in April

No crops to plant outside in April for Zone 9A.

Harvest in April

Plant Type Planted / Sown Harvest Window
Broad Windsor Fava Bean legume Jan 25 Apr 10 – Apr 20
Charleston Wakefield Cabbage brassica Jan 25 Apr 10
Crisphead lettuce Jan 23 Apr 1 – Apr 8
Dutch Yellow Shallots allium Jan 18 Apr 18 – May 18
French Red Shallots allium Jan 18 Apr 18 – May 18
Full Heart Batavian lettuce Jan 23 Apr 18 – Apr 23
Hard Red Wheat Cover Crop cover crop Jan 25 Apr 10 – Apr 30
Holland Red Shallots allium Jan 18 Apr 18 – May 18
Iceberg lettuce Jan 23 Apr 1 – Apr 8
Mammoth Melting Sugar Snow Pea legume Jan 25 Apr 3 – Apr 9
Michihili Cabbage brassica Jan 25 Apr 5
Morris Heading lettuce Jan 23 Apr 8 – Apr 13
Napa Cabbage brassica Jan 23 Apr 3 – Apr 23
Oregon Giant Snow Pea legume Jan 25 Apr 5 – Apr 9
Red Acre Cabbage brassica Jan 25 Apr 10 – Apr 15
Verona Red lettuce Jan 23 Apr 18 – Apr 25
Alaska Mix Nasturtium Flowers flower Feb 15 Apr 6 – Apr 16
All Season Cabbage brassica Feb 1 Apr 12 – Apr 22
All Sorts Surprise Mix Sunflowers flower Feb 15 Apr 26 – May 26
All Year Round Cauliflower brassica Feb 1 Apr 7
Armenian Cucumber cucumber Feb 22 Apr 23 – May 3
Ashley Cucumber cucumber Feb 22 Apr 18 – Apr 23
Aunt Molly's Ground Cherry vegetable Feb 15 Apr 26 – May 16
Baby Blue Eyes Flowers flower Feb 15 Apr 16 – May 16
Basil Herb Mix herb Feb 22 Apr 23 – May 13
Black Beauty Zucchini squash Feb 26 Apr 12 – Apr 22
Black-Eyed Pea legume Feb 22 Apr 28 – May 3
Blue Lake Bush Bean legume Feb 22 Apr 13 – Apr 21
Boltardy Beets root vegetable Feb 15 Apr 6 – Apr 16
Borage flower Feb 15 Apr 11 – May 1
Borlotti Bush Bean legume Feb 22 Apr 18 – Apr 28
Boston Pickling Cucumber cucumber Feb 22 Apr 13 – Apr 18
Brunswick Cabbage brassica Feb 1 Apr 22 – May 2
Bull's Blood Beets root vegetable Feb 15 Apr 6 – Apr 11
Calabrese Broccoli brassica Feb 1 Apr 7
Calendula flower Feb 15 Apr 6 – Apr 16
California Giant Mix Zinnia Flowers flower Feb 15 Apr 16 – Apr 26
Calypso Cilantro herb Feb 15 Apr 6 – Apr 11
Canary Bird Zinnia Flowers flower Feb 15 Apr 16 – Apr 26
Caserta Summer Squash squash Feb 22 Apr 28
Chantenay Carrots root vegetable Feb 15 Apr 26
Cherry Queen Zinnia Flowers flower Feb 15 Apr 16 – Apr 26
Chioggia Beet root vegetable Feb 22 Apr 18 – Apr 28
Cinnamon Basil herb Feb 22 Apr 28 – May 13
Clemson Spineless Okra vegetable Feb 15 Apr 11 – Apr 20
Cocozelle Summer Squash squash Feb 22 Apr 13
Contender Bush Bean legume Feb 22 Apr 8 – Apr 18
Copenhagen Cabbage brassica Feb 1 Apr 7
Cosmic Purple Carrot root vegetable Feb 22 Apr 21 – May 8
Cosmos flower Feb 15 Apr 26 – May 16
Cosmos Sensations Mix Flowers flower Feb 15 Apr 26 – May 1
Crackerjack Mix Marigolds flower Feb 15 Apr 16 – May 1
Crimson Clover cover crop Feb 15 Apr 16 – May 16
Crimson Forest Bunching Onions root vegetable Feb 15 Apr 16
Crosby's Egyptian Beets root vegetable Feb 15 Apr 11 – Apr 16
Cupid Grape Tomatoes tomato Feb 22 Apr 28 – May 3
Curly Parsley herb Feb 15 Apr 26 – May 6
Cylindra Beets root vegetable Feb 15 Apr 16
Dark Green Italian Giant Parsley herb Feb 1 Apr 2 – Apr 17
Detroit Dark Red Beet root vegetable Feb 22 Apr 18 – Apr 23
Di Cicco Broccoli brassica Feb 1 Apr 7
Dragon Tongue Bean legume Feb 22 Apr 18 – Apr 23
Dwarf Jewel Mix Nasturtium Flowers flower Feb 15 Apr 6 – Apr 16
Early Purple Broccoli brassica Feb 1 Apr 7
Early Wonder Beets root vegetable Feb 15 Apr 6
Eight Ball Zucchini squash Feb 22 Apr 8 – Apr 18
Empress of India Nasturtium Flowers flower Feb 15 Apr 6 – Apr 16
Epazote herb Feb 22 Apr 18 – Apr 28
Everbearing Cucumber cucumber Feb 22 Apr 23
Evergreen Parsley herb Feb 1 Apr 12 – Apr 27
Flat-Leaf Parsley herb Feb 15 Apr 26 – May 16
French Marigold flower Feb 15 Apr 6 – Apr 16
Gaillardia Annual Mix Flowers flower Feb 15 Apr 26 – May 16
Gardener's Delight Tomatoes tomato Feb 22 Apr 23 – May 8
German Chamomile herb Feb 15 Apr 16 – Apr 21
Giant Maximum Mix Snapdragon Flowers flower Feb 1 Apr 22 – May 7
Globe Gilia Flowers flower Feb 15 Apr 16 – May 6
Glorious Gleam Nasturtium Flowers flower Feb 15 Apr 11 – Apr 26
Gold Rush Zucchini squash Feb 22 Apr 8 – Apr 13
Golden Acre Cabbage brassica Feb 1 Apr 7
Golden Beet root vegetable Feb 22 Apr 18 – Apr 28
Golden Bush Scallop Summer Squash squash Feb 22 Apr 28
Golden Detroit Beets root vegetable Feb 15 Apr 11 – Apr 16
Golden Globe Turnips root vegetable Feb 15 Apr 1 – Apr 6
Golden Wax Bush Bean legume Feb 22 Apr 13 – Apr 23
Greek Basil herb Feb 22 Apr 28 – May 8
Green Fingers Persian Cucumber cucumber Feb 22 Apr 18 – Apr 23
Green shiso leaves herb Feb 22 Apr 23 – May 3
Harvester Bush Bean legume Feb 22 Apr 13 – Apr 18
Heritage Rainbow Blend Carrots root vegetable Feb 15 Apr 26 – May 1
Homemade Pickles Cucumber cucumber Feb 22 Apr 18 – Apr 23
Igloo Cauliflower brassica Feb 1 Apr 7 – Apr 12
Italian Large Leaf Basil herb Feb 22 Apr 23 – May 8
Jade Bush Bean legume Feb 22 Apr 18 – Apr 23
Japanese Eggplant vegetable Feb 15 Apr 6 – Apr 21
Juliet Tomatoes tomato Feb 22 Apr 22 – Apr 24
Kentucky Wonder Pole Bean legume Feb 22 Apr 28 – May 5
Kuroda Carrots root vegetable Feb 15 Apr 26
Lacy Phacelia Flowers flower Feb 15 Apr 11 – May 1
Landreth Bush Bean legume Feb 22 Apr 13 – Apr 18
Lebanese White Bush Summer Squash squash Feb 22 Apr 8
Lemon Cucumber cucumber Feb 15 Apr 16 – Apr 26
Lettuce Leaf Basil herb Feb 22 Apr 28 – May 13
Licorice Basil herb Feb 22 Apr 28 – May 13
Lima Bean legume Feb 22 Apr 23 – May 13
Lime Basil herb Feb 22 Apr 28 – May 8
Little Fingers Carrots root vegetable Feb 15 Apr 11
Love-in-a-Mist Flowers flower Feb 15 Apr 21 – May 11
Luminosa Zinnia Flowers flower Feb 15 Apr 16 – Apr 26
Mammoth Sunflower flower Feb 15 Apr 21 – May 6
Manitoba Tomatoes tomato Feb 22 Apr 18 – Apr 28
Marketer Cucumber cucumber Feb 22 Apr 18
Matt's Wild Cherry Tomatoes tomato Feb 22 Apr 18 – Apr 28
Medium Red Clover Cover Crop cover crop Feb 1 Apr 2 – Apr 17
Mrs. Burns Lemon Basil herb Feb 22 Apr 23 – May 3
Muncher Cucumber cucumber Feb 22 Apr 23 – Apr 28
Nantes Carrot root vegetable Feb 22 Apr 25 – May 8
Nasturtium flower Feb 15 Apr 6 – Apr 21
National Pickling Cucumber cucumber Feb 15 Apr 6 – Apr 14
New Sunn Hemp Cover Crop cover crop Feb 22 Apr 23 – May 23
New Zealand Spinach lettuce Feb 22 Apr 13 – Apr 23
Nodding Catchfly Flowers flower Feb 15 Apr 16 – May 16
Nutri-Red Carrots root vegetable Feb 15 Apr 26 – May 1
Orange King Zinnia Flowers flower Feb 15 Apr 16 – Apr 26
Orange Sulphur Cosmos Flowers flower Feb 15 Apr 11 – Apr 26
Paris Market Carrots root vegetable Feb 15 Apr 6 – Apr 11
Patio Princess Tomatoes tomato Feb 22 Apr 28 – May 3
Pattypan Squash squash Feb 22 Apr 10 – Apr 18
Peach Melba Nasturtium Flowers flower Feb 15 Apr 6 – Apr 16
Pepperoncini Pepper pepper Feb 22 Apr 28 – May 8
Plains Coreopsis flower Feb 15 Apr 16 – Apr 26
Polar Bear Zinnia Flowers flower Feb 15 Apr 16 – Apr 26
Provider Bush Bean legume Feb 22 Apr 13 – Apr 18
Purple Carrots root vegetable Feb 15 Apr 26 – May 1
Purple Haze Carrots root vegetable Feb 15 Apr 26 – Apr 29
Pápalo leaves herb Feb 15 Apr 26 – May 6
Rapini Broccoli Raab brassica Feb 1 Apr 7
Rattlesnake Pole Bean legume Feb 22 Apr 23 – May 3
Red Garnet Amaranth vegetable Feb 22 Apr 18 – Apr 23
Red Pear Tomatoes tomato Feb 22 Apr 28 – May 8
Red Velvet Leaf Basil herb Feb 22 Apr 28 – May 13
Roma II Bush Bean legume Feb 22 Apr 16 – Apr 22
Romano Pole Bean legume Feb 22 Apr 23 – May 1
Round de Nice Zucchini Summer Squash squash Feb 22 Apr 8
Royal Burgundy Bush Bean legume Feb 22 Apr 13 – Apr 18
Shelling Pea legume Feb 22 Apr 18 – May 3
Single Mix China Aster Flowers flower Feb 15 Apr 26 – May 6
Slenderette Bush Bean legume Feb 22 Apr 16 – Apr 20
Snow Pea legume Feb 22 Apr 15 – May 3
Snow White Carrots root vegetable Feb 15 Apr 26 – May 1
Snowball Self-Blanche Cauliflower brassica Feb 1 Apr 7
Solar Yellow Carrots root vegetable Feb 15 Apr 26 – May 1
Spacemaster Bush Cucumber cucumber Feb 22 Apr 23 – Apr 28
Sparky Mix Marigolds flower Feb 15 Apr 11 – Apr 26
St. Valery Carrots root vegetable Feb 15 Apr 26
Straight Eight Cucumber cucumber Feb 22 Apr 23 – Apr 28
Sugar Snap Pea legume Feb 22 Apr 18 – May 3
Summer Max Mix Cover Crop cover crop Feb 15 Apr 1 – Apr 16
Summer Savory herb Feb 22 Apr 18 – Apr 28
Sun Gold Tomatoes tomato Feb 22 Apr 20 – Apr 28
Sunspot Sunflowers flower Feb 15 Apr 11 – Apr 26
Sweet 100 Tomatoes tomato Feb 22 Apr 23 – Apr 28
Tall Trailing Mix Nasturtium Flowers flower Feb 15 Apr 11 – Apr 26
Taylor Dwarf Bush Bean legume Feb 22 Apr 28 – May 1
Tendergreen Burpless Cucumber cucumber Feb 22 Apr 28
Tendergreen Bush Bean legume Feb 22 Apr 13 – Apr 18
Tendersweet Carrots root vegetable Feb 15 Apr 26
Tigerella Tomatoes tomato Feb 22 Apr 18 – May 3
Tomatillo vegetable Feb 15 Apr 16 – May 11
Top Crop Bush Bean legume Feb 22 Apr 13 – Apr 18
Turnip root vegetable Feb 22 Apr 13 – Apr 23
Viola and pansy edible flowers flower Feb 1 Apr 2 – Apr 12
Violetta Purple Cauliflower brassica Feb 1 Apr 7
Watermelon Radishes root vegetable Feb 22 Apr 13 – Apr 28
West Indian Burr Gherkin Cucumber cucumber Feb 22 Apr 18 – Apr 28
Whirlybird Nasturtium Flowers flower Feb 15 Apr 6 – Apr 16
White Detroit Beets root vegetable Feb 15 Apr 11 – Apr 16
White Lisbon Bunching Onions root vegetable Feb 15 Apr 21
White Wonder Cucumber cucumber Feb 22 Apr 18 – Apr 23
Yard Long Bean legume Feb 22 Apr 23 – May 23
Yellow Crookneck Squash squash Feb 22 Apr 13 – Apr 23
Yellow Sulphur Cosmos Flowers flower Feb 15 Apr 11 – Apr 26
Zinnia flower Feb 15 Apr 16 – May 16
Bachelor's button edible flowers flower Mar 1 Apr 30 – May 20
Broccolini brassica Mar 1 Apr 20 – May 10
Early Girl Tomatoes tomato Mar 1 Apr 22 – May 2
Emerald Green Velvet Okra vegetable Mar 1 Apr 25 – Apr 28
Genovese Basil herb Mar 1 Apr 30 – May 10
Green Cabbage brassica Mar 1 Apr 30 – Jun 9
Hairy vetch cover crop stands cover crop Mar 1 Apr 30 – May 30
Long Ping Tung Eggplant vegetable Mar 1 Apr 25 – Apr 30
Marketmore 76 Cucumber cucumber Mar 1 Apr 28 – May 8
Phacelia cover crop and bee forage cover crop Mar 1 Apr 15 – Apr 30
Pinkeye Purple Hull Cowpea legume Mar 1 Apr 30 – May 10
Red Burgundy Okra vegetable Mar 1 Apr 25 – Apr 30
Red-Stem Malabar Spinach lettuce Mar 1 Apr 25 – May 10
Signet marigold edible flowers flower Mar 1 Apr 30 – May 5
Snow Crown Cauliflower brassica Mar 1 Apr 20 – Apr 30
Sweet Million Tomatoes tomato Mar 1 Apr 30 – May 5
Thai Basil herb Mar 1 Apr 30 – May 5
Tiny Tim Tomatoes tomato Mar 1 Apr 15 – Apr 25

Key Tasks for April in Zone 9A

  1. 1 Check soil moisture before watering — stick a finger 2 inches into the soil. Water only when the soil is dry at that depth. Consistent moisture is more important than frequency.
Back to full Zone 9A planting calendar
March April in Zone 9A May

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