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Curious what you should plant in Tucson in July? It's a great time in the low desert! Let's talk about what you can grow in July in Tucson.

Weather

Overnight average lows hover around 76F throughout July.
Planting
Though the monsoon officially started in June, rains don't typically pick up until sometime this month. July is a great month for getting as many seeds in the ground as you can in anticipation of the coming rains.
Here's what you can plant in your Tucson garden in July:
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Cover Crops & Forage
if you're using sorghum, sorghum-sudan, or sudangrass as forage, understand that these grasses produce prussic acid and cyanide under certain conditions which may affect some livestock. Do thorough research before grazing animals on these.
Herbs
1st Half of July
SOW INDOORS:
DIRECT SOW OUTDOORS:
Basil, Devil's Claw, Lemongrass
HARDEN OFF & TRANSPLANT OUT:
2nd Half of July
SOW INDOORS:
DIRECT SOW OUTDOORS:
Basil, Devil's Claw, Lemongrass
HARDEN OFF & TRANSPLANT OUT:
Basil, Devil's Claw, Lemongrass
Fruits & Vegetables
1st Half of July
SOW INDOORS:
Cannabis, Chili Pepper, Cowpea, Cucumber, Eggplant, Melon, Okra, Summer Squash, Sweet Pepper, Tomato, Tomatillo, Winter Squash, Zucchini
DIRECT SOW OUTDOORS:
Armenian Cucumber, Cannabis, Chili Pepper, Corn, Cowpea, Cucumber, Eggplant, Hyacinth Bean, Melon, Okra, Potato, Pumpkin, Summer Squash, Sweet Pepper, Tepary Bean, Tomato, Tomatillo, Winter Squash, Zucchini
HARDEN OFF & TRANSPLANT OUT:
Armenian Cucumber, Cannabis, Cowpea, Eggplant, Chili Pepper, Melon, Okra, Sweet Pepper, Sweet Potato, Winter Squash
2nd Half of July
SOW INDOORS:
Cannabis, Chili Pepper, Cowpea, Cucumber, Eggplant, Melon, Okra, Summer Squash, Sweet Pepper, Tomato, Tomatillo, Winter Squash, Zucchini
DIRECT SOW OUTDOORS:
Armenian Cucumber, Cannabis, Chili Pepper, Corn, Cowpea, Cucumber, Eggplant, Hyacinth Bean, Melon, Okra, Potato, Pumpkin, Summer Squash, Sweet Pepper, Tepary Bean, Tomato, Tomatillo, Winter Squash, Zucchini
HARDEN OFF & TRANSPLANT OUT:
Armenian Cucumber, Cannabis, Cowpea, Cucumber, Eggplant, Chili Pepper, Melon, Okra, Summer Squash, Sweet Pepper, Sweet Potato, Tomato, Tomatillo, Winter Squash, Zucchini

Seen here in late-July, lush from monsoon rains.
This crop was started in late-May.

fighting against the May dry summer heat
Grains, Seeds, & Cereals
Flowers
1st Half of July
BROADCAST OUTDOORS:
California Poppy, Coreopsis, Cosmos, Desert Marigold, Desert Senna, Gaillardia, Lavendar, Marigold, Mexican Hat Flower, Moss Rose, Pentas, Vinca (Catharanthus Roseus), Zinnia
DIRECT SOW / DRILL OUTDOORS:
Cosmos, Four O'Clock, Hollyhock, Mexican Sunflower, Sunflower
2nd Half of July
BROADCAST OUTDOORS:
California Poppy, Coreopsis, Cosmos, Desert Marigold, Desert Senna, Gaillardia, Lavendar, Marigold, Mexican Hat Flower, Moss Rose, Pentas, Vinca (Catharanthus Roseus), Zinnia
DIRECT SOW / DRILL OUTDOORS:
Cosmos, Four O'Clock, Hollyhock, Mexican Sunflower, Sunflower
Harvesting

Produce
1st Half of July
Amaranth (leaves), Basil, Carrot, Catnip, Chili Pepper, Chives, Eggplant, Epazote, Lemon Balm, Melon, Mint, Okra, Oregano, Parsnip, Pole Bean, Potato, Purslane, Rosemary, Sage, Summer Squash, Sunflower Seeds, Sweet Pepper, Thai Basil, Terragon, Thyme, Tomatillo, Tomato, Winter Squash, Zucchini
2nd Half of July
Amaranth (leaves), Basil, Carrot, Catnip, Chili Pepper, Chives, Eggplant, Epazote, Lemon Balm, Melon, Mint, Okra, Oregano, Parsnip, Pole Bean, Potato, Purslane, Rosemary, Sage, Summer Squash, Sunflower Seeds, Sweet Pepper, Thai Basil, Terragon, Thyme, Tomatillo, Tomato, Winter Squash, Zucchini

Seed Saving
1st Half of July
Chili Pepper, Eggplant, Kale, Strawberry, Summer Squash, Sweet Pepper, Swiss Chard, Tomatillo, Tomato, Winter Squash
2nd Half of July
Chili Pepper, Eggplant, Kale, Strawberry, Summer Squash, Sweet Pepper, Swiss Chard, Tomatillo, Tomato, Winter Squash
Cut Flowers
1st Half of July
2nd Half of July
Weeding
Bindweed
Cowpen Daisy

Spurge
More Tucson Planting Calendars
Know some plants I missed for July in Tucson? We'd love to hear from you over on the forum!
That's all for now, thanks for reading!
If you have any questions, comments, or would like to connect with fellow gardeners, head on over to the forum and post there.