May is the month when the gardening season shifts into high gear across most of the country. In cold-winter zones, the last frost is finally behind us, and it's time to get warm-season crops in the ground. In mild-winter zones, the garden is already humming, and the focus turns to keeping up with rapid spring growth. And in the warmest zones, the race is on to get heat-lovers established before summer temperatures take over. Whatever your zone, May is a month of momentum.
Zones 1-7a: May is the main planting kickoff in cold-winter zones, when gardens finally move from starts and prep into full outdoor action. Early May often still favors hardy transplants and direct-sown cool-season crops, while mid-to-late May is when many areas can safely set out warm-season plants as frost risk drops. Keep hardening off seedlings, use row cover if nights run cold, and focus on steady watering and early weed control so young plants establish quickly.
Zones 7b-9a: May is prime warm-season planting time in mild-winter zones, with soil temperatures rising and growth accelerating. This is the month to get main-season crops established outdoors, keep up with succession sowing, and set up supports before vines and tall plants take off. Watch moisture as days warm, mulch to hold soil moisture, and keep an eye out for the first big flush of pests as the garden hits its stride.
Zones 9b-12: May marks the shift into early summer conditions in the warm-winter zones, and gardens respond fast with rapid growth. Warm-season crops should be planted and growing strongly now, and succession sowing keeps harvests coming even as temperatures climb. Stay ahead of heat stress by mulching, watering consistently, and planting in the coolest part of the day - and in the hottest areas, begin planning for shade cloth and other summer protection.
50
100
true
//store.trueleafmarket.com/cdn/shop/t/54/assets/review-fallback.json?v=33078429469613971781712858278
![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Moringa Seeds
160-170 Days to maturity. Moringa oleifera. Moringa Seeds. Non-GMO, Perennial, Deciduous Softwood Tree. Moringa is also known as the Drumstick Tree, Horseradish Tree, and Ben Oil Tree. It is enjoyed...
Sunflower - Black Oil (Organic) - Microgreens Seeds
Organic Black Oil Sunflower Seeds. Shell On (Whole), Non-GMO. Open Pollinated. Helianathus Annus. 8-12 Days for mature, delicious microgreens. Sunflower microgreens are one of the easiest and most popular microgreens...
Geranium Seeds - Pinto Premium Series
91-105 days maturity. Pelargonium x hortorum . Geranium Pinto Premium Series Seeds. Non-GMO, Annual. Ornamental. Pinto Premium Series geranium seeds promise some of the most classic yet eye-catching blooms available...
Basil Seeds - Genovese (Organic)
60-90 days to maturity. Ocimum basilicum. Organic Genovese Basil Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Vigorous, tall-growing, large-leaved...
Wildflower Seeds - Save the Monarchs
Save The Monarchs Seed Collection. Ornamental Flower Seeds. 100,000 seeds of 13 Varieties of Assorted Wildflower Seeds. Heirloom. Non GMO. High Germination. Save the Monarchs Seed Collection is an exclusive...
Bean Seeds - Bush - Jade
50-65 Days to maturity. Phaseolus vulgaris. Jade Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, rust resistant, high-yielding, bush, snap green bean. Suitable for growing in containers, garden plots, raised...
Pumpkin Seeds - Jack O Lantern
90-110 days. Jack O Lantern Pumpkin Seeds. Cucurbita pepo. Open Pollinated. Non-GMO. Producing bright orange 10-12 lb pumpkins a piece, Jack O Lantern pumpkins are the ideal seeds for Halloween...
Tomato Seeds - Slicing - Cherokee Purple (Organic)
80-90 Days to maturity (from transplant). Solanum lycopersicum. Organic Cherokee Purple Tomato Seeds. Non-GMO, warm-season annual, organic, open-pollinated, heirloom, heat-tolerant, indeterminate, slicing tomato. Suitable for growing in garden plots, raised...
Tomato Seeds - Paste - San Marzano Determinate
80-90 Days to maturity (from transplant). Solanum lycopersicum. San Marzano Determinate Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, paste tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Tarragon Seeds - Russian
Non-GMO, Heirloom Russian Tarragon Herb Garden Seed from True Leaf Market. Artemisia dracunculoides. Tarragon is a warm perennial with woody stems, light-green slender leaves and a mild earthy flavor"as opposed...
Tomatillo Seeds - Grande Rio Verde
80 days. (Husk Tomato) Large fruited tomatillo with sweet green fruits measuring 2 to 3 inches across (1.8 - 2.8 ounces), enclosed in a papery husk. Vigorous prostrate vine. Used...
Petunia Seeds - Dreams Series (pelleted)
98-105 Days to maturity. Petunia x hybrida. Dream Series Petunia Seeds. Non-GMO, hybrid, Premium Quality Seeds, annual. Dreams Series petunia seeds are an essential and timeless flower in your garden,...
Cucumber Seeds - Ashley
65 days. The Ashley cucumber is a large variety of cucumber that is sweet and tender. The Ashley is green and smooth, and grows to be seven to eight inches...
Pumpkin Seeds - Jarrahdale
Cucurbita maxima (100 days) A New Zealand heirloom, Jarrahdale pumpkin has a slate blue, ribbed exterior and a deep delicious orange interior flesh. The flesh is dry, string less, sweet...
Squash Seeds - Winter - Burgess Buttercup
Non-GMO Burgess Buttercup is ready in 100 days and recommended by Utah State. This winter squash has a thick, orange, and creamy flesh that tastes like sweet potatoes once cooked....
Cucumber Seeds - Straight Eight (Organic)
55-65 Days to maturity. Cucumis sativus. Organic Straight Eight Cucumber Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, 1935 AAS-winning, slicing cucumber. Suitable for growing in fields, containers (with support), garden plots,...
Tomato Seeds - Slicing - Oregon Spring
58 Days to maturity (from transplant). Solanum lycoperscium. Oregon Spring Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in containers, garden plots, raised beds, greenhouses. Resistant...
Bean Seeds - Pole - Oriental Yard Long
85 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Oriental Yard Long Pole Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden...
Bean Seeds - Bush - Pinto
90-95 Days to maturity. Phaseolus vulgaris. Pinto Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Pinto Beans are...
Bean Seeds - Bush - Tendergreen (Organic)
50-65 Days to maturity. Phaseolus vulgaris. Organic Tendergreen Bush Bean Seeds. Non-GMO, annual, organic, heirloom, high-yielding, heat tolerant, bush, snap, green bean. Suitable for growing in containers, garden plots, raised...
Corn Seeds - Sweet - Stowells Evergreen
95 Days to maturity. Zea mays. Stowells Evergreen Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Artichoke Seeds - Green Globe
110-150 days. Artichoke Gardening Seeds. Cynara cardunculus var. scolymus. Perennial. Heirloom. Non-GMO. Native to the Mediterranean, Green Globe Artichoke seeds have been grown for decades and their fruits are eaten...
Squash Seeds - Summer - Crookneck (Organic)
Ready in about 58 days, Organic Summer Crookneck Squash is perfect for the summer garden. Bumpy skin highlights a yellow fleshy squash. When the fruit is 5-6 inches long, it...
Bean Seeds - Pole - Qing Bain
50-55 Days to maturity. Phaseolus vulgaris. Qing Bian Pole Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, drought tolerant, pole, snap, romano, Asian bean. Suitable for growing in containers, garden plots, raised...
French Marigold Seeds - Sparky Mixture
63-77 Days to maturity. Tagetes patula. Sparky Mixture Marigold Seeds. Non-GMO, annual, open-pollinated. Sparky Mixture French marigold seeds offer one of the most vibrant and inexpensive blooms available to the...
Squash Seeds - Winter - Table Queen Acorn
80-85 days. Table Queen Acorn Winter Squash seeds grow as warm season annuals and are part of the diverse Cucurbitaeae family. Acorn squash can be planted year round in temperate...
Cucumber Seeds - Lemon
65 Days to maturity. Cucumis sativus. Lemon Cucumber Seeds. Non-GMO, annual, open-pollinated, heirloom, monoecious, slicing or pickling cucumber. Suitable for growing in fields, containers (with support), garden plots, raised beds,...
Lavender Seeds (Organic)
90+ Days to maturity. Lavandula angustifolia. Organic Lavender Seeds. Non-GMO, perennial, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, and raised beds. Organic English Lavender—also called Vera...
Tomato Seeds - Cherry - Yellow Pear (Organic)
78 Days to maturity (from transplant). Solanum lycoperscium. Yellow Pear Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and...
Cucamelon Seeds - Mexican Sour Gherkin
Cucamelon Seeds. Melothria scabra. 65 Days to maturity. Annual. Non-GMO, Heirloom, Open Pollinated. AKA: Mexican Mouse Melon, Sandia de Raton, Mexican Sour Gherkin, Mexican Miniature Watermelon, Mexican Sour Cucumber. Looking...
Sunflower Seeds - All Sorts Mixture
90-110 days. All Sorts Mix sunflower seeds grow one of the most spectacular, vibrant, and unique pairings of color and size in this blend of summertime classics. All Sorts Mix...
[
{
"featured_image": "files/Moringa_6781363b-3216-4ac7-a04e-a92c514e1476.jpg",
"secondary_image": "",
"price": 509,
"handle": "moringa-seeds",
"title": "Moringa Seeds",
"url": "/products/moringa-seeds",
"available": true
},
{
"featured_image": "products/seeds-organic-sunflower-whole-seeds-sunflower-micro-wb-com-wm.jpg",
"secondary_image": "files/Organic_Black_Oil_Sunflower_Microgreens_fb45e243-4c4d-4ce1-89bb-f9f4a6719e66.jpg",
"price": 1232,
"handle": "sunflower-black-oil-organic-microgreens-seeds",
"title": "Sunflower - Black Oil (Organic) - Microgreens Seeds",
"url": "/products/sunflower-black-oil-organic-microgreens-seeds",
"available": true
},
{
"featured_image": "files/Geranium-seeds-Pinto-Premium-Series-Comp.jpg",
"secondary_image": "products/geranium-pinto-premium-series-coral-seed-wm_700.jpg",
"price": 499,
"handle": "geranium-pinto-premium-series-flower-seed",
"title": "Geranium Seeds - Pinto Premium Series",
"url": "/products/geranium-pinto-premium-series-flower-seed",
"available": true
},
{
"featured_image": "files/Basil-Seeds-Genovese-Organic-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-4-oz-sm_42177924-70be-46cb-984d-aee2e7249acd.png",
"price": 359,
"handle": "certified-organic-heirloom-vegetable-seeds-organic-herb-seeds-organic-basil-genovese",
"title": "Basil Seeds - Genovese (Organic)",
"url": "/products/certified-organic-heirloom-vegetable-seeds-organic-herb-seeds-organic-basil-genovese",
"available": true
},
{
"featured_image": "files/monarchs_front_collage_comp.jpg",
"secondary_image": "files/monarchs_bag_person_comp.jpg",
"price": 997,
"handle": "wildflower-seeds-save-the-monarchs",
"title": "Wildflower Seeds - Save the Monarchs",
"url": "/products/wildflower-seeds-save-the-monarchs",
"available": true
},
{
"featured_image": "files/Bean-Seeds-Bush-Jade-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_97b0ebf1-4418-43e6-9209-d947343acd2d.png",
"price": 309,
"handle": "bean-bush-jade",
"title": "Bean Seeds - Bush - Jade",
"url": "/products/bean-bush-jade",
"available": true
},
{
"featured_image": "files/1747763994_marigold_sparky_mixture_comp_1441bc85-22b2-4b16-ae5c-c34fcc8bbf25.jpg",
"secondary_image": "files/French-Marigold-Seeds-Sparky-Mixture-comp.jpg",
"price": 299,
"handle": "marigold-sparky-mixture-flower-seeds",
"title": "French Marigold Seeds - Sparky Mixture",
"url": "/products/marigold-sparky-mixture-flower-seeds",
"available": false
},
{
"featured_image": "files/pumpkin-jack-o-lantern-seed-wm_700_1222x1222_c0481e9a-96a5-40a6-992a-d0128fc94126.jpg",
"secondary_image": "products/Seed_Pouch_1_87f7b167-adf6-4c56-92d9-10ca5433c031.jpg",
"price": 329,
"handle": "pumpkin-jack-o-lantern-seeds",
"title": "Pumpkin Seeds - Jack O Lantern",
"url": "/products/pumpkin-jack-o-lantern-seeds",
"available": true
},
{
"featured_image": "files/tomato-cherokee-purple-organic-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_aa6bf8c1-1f35-4b38-b8f9-a0eeeca68b04.jpg",
"price": 359,
"handle": "tomato-cherokee-purple-organic",
"title": "Tomato Seeds - Slicing - Cherokee Purple (Organic)",
"url": "/products/tomato-cherokee-purple-organic",
"available": true
},
{
"featured_image": "files/Squash-Seeds-Summer-Zucchini-Cashflow-Hybrid-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_2d2f46e9-ce5d-4f6c-9abb-bb7b667d9dd6.jpg",
"price": 429,
"handle": "squash-summer-zucchini-cashflow-hybrid-seeds",
"title": "Squash Seeds - Summer - Zucchini Cashflow Hybrid",
"url": "/products/squash-summer-zucchini-cashflow-hybrid-seeds",
"available": true
},
{
"featured_image": "files/squash-winter-table-queen-acorn-seeds-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_f6bdf435-ce87-4197-bcfc-04a804a51bb5.jpg",
"price": 299,
"handle": "squash-winter-table-queen-acorn-seeds",
"title": "Squash Seeds - Winter - Table Queen Acorn",
"url": "/products/squash-winter-table-queen-acorn-seeds",
"available": false
},
{
"featured_image": "files/cucumber-lemon-comp.jpg",
"secondary_image": "files/1696610056_Lemon-cucumber-Wood-background-comp_af69382a-68e4-4817-980e-520ccb249c69.jpg",
"price": 299,
"handle": "cucumber-lemon",
"title": "Cucumber Seeds - Lemon",
"url": "/products/cucumber-lemon",
"available": false
},
{
"featured_image": "files/tomato-sunsugar-hybrid-seeds-comp_1.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_1bcfaa67-4000-4676-b85d-9a96194a0abc.jpg",
"price": 299,
"handle": "tomato-san-marzano-determinate-seeds",
"title": "Tomato Seeds - Paste - San Marzano Determinate",
"url": "/products/tomato-san-marzano-determinate-seeds",
"available": true
},
{
"featured_image": "files/tarragon-russian-seeds-comp.jpg",
"secondary_image": "products/SeedPouch_b27e6fd0-7af3-48cd-ab8c-6916f5ee94a0.jpg",
"price": 329,
"handle": "tarragon-russian-seeds",
"title": "Tarragon Seeds - Russian",
"url": "/products/tarragon-russian-seeds",
"available": true
},
{
"featured_image": "files/Herb-Lavender-Common-English-Vera-Organic_80255d8c-7503-456d-b9c5-91b45ef957ae.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_a609cb60-b698-42a6-a7d0-d806b2772e5c.jpg",
"price": 359,
"handle": "organic-lavender-herb-seeds",
"title": "Lavender Seeds (Organic)",
"url": "/products/organic-lavender-herb-seeds",
"available": false
},
{
"featured_image": "files/tomatillo-grande-rio-verde-seeds-comp.jpg",
"secondary_image": "products/Seed_Pouch_1_8fd655f3-f2e6-4af0-b3db-6f745cf1d95a.jpg",
"price": 299,
"handle": "tomatillo-grande-rio-verde-seeds",
"title": "Tomatillo Seeds - Grande Rio Verde",
"url": "/products/tomatillo-grande-rio-verde-seeds",
"available": true
},
{
"featured_image": "files/Petunia-Seeds-Dreams-Series-pelleted-comp.jpg",
"secondary_image": "products/petunia-dreams-burgundy-picotee-wm_700.jpg",
"price": 299,
"handle": "petunia-dreams-series-flower-seeds",
"title": "Petunia Seeds - Dreams Series (pelleted)",
"url": "/products/petunia-dreams-series-flower-seeds",
"available": true
},
{
"featured_image": "files/cucumber-ashley-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_f6efec1c-e335-44ae-aa30-1e693491bbb0.png",
"price": 199,
"handle": "cucumber-ashley",
"title": "Cucumber Seeds - Ashley",
"url": "/products/cucumber-ashley",
"available": true
},
{
"featured_image": "files/pumpkin-jarrahdale-com-wm_1222x1222_caa3f92c-9474-487b-ac21-c8233696cf8d.jpg",
"secondary_image": "products/Seed_Packet_02836db2-a266-4e39-861b-e9f3417f7d47.jpg",
"price": 339,
"handle": "jarrahdale-pumpkin",
"title": "Pumpkin Seeds - Jarrahdale",
"url": "/products/jarrahdale-pumpkin",
"available": true
},
{
"featured_image": "files/squash-winter-burgess-buttercup-seeds-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_1_2_e386f93b-73c6-4490-a5ee-87448fb6d75e.png",
"price": 299,
"handle": "squash-winter-burgess-buttercup-seeds",
"title": "Squash Seeds - Winter - Burgess Buttercup",
"url": "/products/squash-winter-burgess-buttercup-seeds",
"available": true
},
{
"featured_image": "files/organic-straight-eight-cucumber-seeds-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_07525f21-25a3-4e98-a74b-eb0a893ac2c4.jpg",
"price": 359,
"handle": "organic-straight-eight-cucumber-seeds",
"title": "Cucumber Seeds - Straight Eight (Organic)",
"url": "/products/organic-straight-eight-cucumber-seeds",
"available": true
},
{
"featured_image": "files/tomato-yellow-pear-organic-seeds-comp.jpg",
"secondary_image": "",
"price": 111,
"handle": "tomato-yellow-pear-organic-seeds",
"title": "Tomato Seeds - Cherry - Yellow Pear (Organic)",
"url": "/products/tomato-yellow-pear-organic-seeds",
"available": false
},
{
"featured_image": "files/tomato-oregon-spring-seeds-comp.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 299,
"handle": "tomato-oregon-spring-seeds",
"title": "Tomato Seeds - Slicing - Oregon Spring",
"url": "/products/tomato-oregon-spring-seeds",
"available": true
},
{
"featured_image": "files/Bean-Pole-Seeds-Oriental-Yard-Long-Comp.jpg",
"secondary_image": "files/Oriental_Yard_Long_Pole_Bean_Seeds_1f03d058-8115-4116-821d-9f9e81e171fa.jpg",
"price": 399,
"handle": "bean-pole-oriental-yard-long-seed",
"title": "Bean Seeds - Pole - Oriental Yard Long",
"url": "/products/bean-pole-oriental-yard-long-seed",
"available": true
},
{
"featured_image": "files/bean-shell-pinto-comp.jpg",
"secondary_image": "products/MVS-generic-packet_75b696cf-9bd5-4b76-ba72-d219eea1318f.jpg",
"price": 299,
"handle": "bean-shell-pinto",
"title": "Bean Seeds - Bush - Pinto",
"url": "/products/bean-shell-pinto",
"available": true
},
{
"featured_image": "files/Bean-Seeds-Bush-Tendergreen-Organic-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_12971ab7-29f4-4877-9865-09342ffd8523.jpg",
"price": 209,
"handle": "organic-tendergreen-bush-bean",
"title": "Bean Seeds - Bush - Tendergreen (Organic)",
"url": "/products/organic-tendergreen-bush-bean",
"available": true
},
{
"featured_image": "files/Cucamelon-Seeds-Mexican-Sour-Gherkin-Comp.jpg",
"secondary_image": "files/MVS_1_lb.jpg",
"price": 559,
"handle": "cucamelon-seeds-mexican-sour-gherkin",
"title": "Cucamelon Seeds - Mexican Sour Gherkin",
"url": "/products/cucamelon-seeds-mexican-sour-gherkin",
"available": false
},
{
"featured_image": "files/Corn-Seeds-Sweet-Stowells-Evergreen-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_208f0f22-4079-4f71-96b1-837bf6feaa9e.png",
"price": 263,
"handle": "stowells-evergreen-sweet-corn",
"title": "Corn Seeds - Sweet - Stowells Evergreen",
"url": "/products/stowells-evergreen-sweet-corn",
"available": true
},
{
"featured_image": "files/sunflower-all-sorts-mixture-flower-seed-comp.jpg",
"secondary_image": "products/Seed_Packet_1_2_3f1b9c29-8b6c-4c23-b35f-de2084280b23.jpg",
"price": 299,
"handle": "sunflower-all-sorts-mixture-flower-seed",
"title": "Sunflower Seeds - All Sorts Mixture",
"url": "/products/sunflower-all-sorts-mixture-flower-seed",
"available": false
},
{
"featured_image": "files/Artichoke-Seeds-Green-Globe-Comp_3d80b287-d1b2-4c72-a0ad-b2fe01dc0fce.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_d13aa425-b97f-4cfa-8415-3bf5989ccda2.png",
"price": 299,
"handle": "artichoke-green-globe",
"title": "Artichoke Seeds - Green Globe",
"url": "/products/artichoke-green-globe",
"available": true
},
{
"featured_image": "files/squash-summer-crookneck-organic-seeds-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_9f251955-20ef-4ca4-a1d2-66911c9fa102.jpg",
"price": 359,
"handle": "squash-summer-crookneck-organic-seeds",
"title": "Squash Seeds - Summer - Crookneck (Organic)",
"url": "/products/squash-summer-crookneck-organic-seeds",
"available": true
},
{
"featured_image": "files/Bean-Seeds-Pole-Qing-Bain-Romano-Type-Comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_e9f2c96c-0d4e-4857-bb45-63c6141747f2.png",
"price": 399,
"handle": "bean-seeds-pole-quing-bain-romano-type",
"title": "Bean Seeds - Pole - Qing Bain",
"url": "/products/bean-seeds-pole-quing-bain-romano-type",
"available": true
}
]
