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]()
Pea Seeds - Snap - Taichung 13
70 days to maturity.Pisum sativum. Taichung 13 Snap Pea Seeds. Non-GMO, cool-season annual, heirloom. This early edible podded snap pea has white flowers. The vines are vigorous and prolific, producing...
Pea Seeds - Snow - Oregon Sugar Pod II (Organic)
60-70 Days to maturity. Pisum sativum. Oregon Sugar Pod II Pea Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant...
Grass Mix - Cabin Grass Seed
Cabin Grass Seed Mix - AKA: Green Space Holder, Dryland Turf Mix, Erosion Turf Mix. This Cabin Grass Seed Mix is a blend of two low growing, very deep rooted...
Carrot Seeds - Yellow
65-80 days. The Yellow carrot appears to be a classic carrot in its shape but not in its color. Roots are a beautiful golden shade, and they grow to be...
Dundale (Dun) Pea Seeds - Organic - Sprouting
Certified Organic by Oregon Tilth. Dundale (Dun) Pea Seeds. Pisum sativum. Open Pollinated, Non-GMO. High Germination Rate. Microbial Tested. Resealable Package. Cover Crop, Sprouting, Microgreens, Survival Food Storage, Gardening, Soups...
Rocky Mountain Wildflower Mix - Gift Bag
Grow a delightful, charming wildflower garden with our regional Rocky Mountain Wildflower Mix. Features 18 wild flower varieties such as columbine plants for pollination, larkspur flower seeds, poppy seeds, and...
Triticale (Organic) - Grass Seeds
Triticale seeds are an unexpectedly tasty sprout. It is very sweet after germination and wll surpise you how wll it goes on salads! Triticale grass seeds have a pleasant, very...
Pea Seeds - Shelling - Alaska
65-75 Days to maturity. Pisum sativum. Alaska Pea Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery mildew. Known...
Pea Seeds - Shelling - Patio Pride AAS (Organic)
40–50 Days to maturity. Pisum sativum. Patio Pride Pea Seeds (Organic), AAS Winner. Non-GMO, annual, open-pollinated. Suitable for growing in containers, raised beds, and small garden spaces. This compact, early-maturing...
Pea Seeds - Snow - Oregon Giant (Organic)
60-65 Days to maturity. Pisum sativum. Organic Oregon Giant Pea Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Pea Seeds - Snap - Sugar Lace II (treated)
68 days from direct sowing. Pisum sativum. Treated Sugar Lace II Snap Pea Seeds. Non-GMO, annual, open-pollinated. This crop is suitable for garden plots, raised beds, and containers. Stringless, dark-green...
Pea Seeds - Snap - Sugar Snap (Treated)
66-72 Days to maturity. Pisum sativum. Sugar Snap (Treated) Pea Seeds. Non-GMO, annual, open-pollinated, heirloom, 1979 AAS winner. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses....
Pea Seeds - Shelling - Green Arrow (Treated)
65-75 Days to maturity. Pisum sativum. Green Arrow Pea Seeds (Treated). Non-GMO, annual, open-pollinated, heirloom, treated pea seeds. Long, slim, 4.5-inch pods grow in pairs on strong 28-inch vines. Suitable...
Linum Seeds - Scarlet Flax
77-84 Days to maturity. Linum grandiflorum var. rubrum. Linum Scarlet Flax Seeds. Non-GMO, Annual. Scarlet Flax seeds promise exotic, radiant, and perfectly-suited Linum plants for many dry and temperate climates....
Pea Seeds - Snap - Sugar Sprint (Treated)
55-65 Days to maturity. Pisum sativum. Sugar Sprint Snap Pea Seeds (Treated). Non-GMO, annual, open-pollinated, heirloom, heat-tolerant snap pea. Suitable for growing in fields, containers, garden plots, raised beds, and...
Pea Seeds, Afila 595
65 Days to maturity.Pisum Sativum. Afila 595 Pea Seeds. Annual, Non-GMO, Heirloom. Afila varieties of pea are cultivated for their delicious, gracefully attractive long tendrils. The tender pea shoot tips...
Pea Seeds - Blue Shelling (Organic)
Non-GMO, Organic, Open-pollinated, Heirloom Blue Shelling Seeds from True Leaf Market. This is a tall, attractive heirloom pea plant from the Netherlands that is centuries old with bluish to purple...
Salpiglossis Seeds - Royale Series
91-98 Days to maturity. Salpiglossis sinuata. Salpiglossis Royale Series Seeds. Non-GMO, Annual. Royale Series salpiglossis seeds grow one of the summer's most exotic, colorful, and exclusive blooms. Royale Series seeds...
Pea Seeds - Shelling - Tom Thumb (Organic)
55-60 Days to maturity. Pisum sativum. Organic Tom Thumb Pea Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Resistant to powdery...
Pea Seeds - Field - Maple
70-90 Days to maturity. Harvest at 8-12 days for microgreens. Pisum sativum. Maple Pea Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for field growing and cover cropping, or for microgreen production....
Spring Mix Cover Crop
30-90 Days to termination. Spring Mix Cover Crop Seeds. Non-GMO, annual, no-till, forage-friendly, and winter-killing with extended freezing temperatures. This mix contains plants that grow well during the cool spring...
Basil Seeds - Piedmont AAS
60-75 Days to maturity. Ocimum basilicum. Piedmont Basil Herb Seeds. Non-GMO, annual, open-pollinated herb seeds. Great for growing in containers, indoors, and throughout the vegetable garden or edible landscape. A...
Safflower Seeds - Zanzibar (organic)
70-80 Days to Maturity. Carthamus tinctorius. Organic Zanzibar Safflower Flower Seeds. Non-GMO, open-pollinated, organic. Annual in zones 2, 3, 4, 5, 6, 7, 8, 9, 10, 11. Thrives best in...
Sunflower Seeds - Lemon Queen (Organic)
80-100 Days to maturity. Helianthus annus. Organic Lemon Queen Sunflower Seeds. Non-GMO, organic, open-pollinated, heirloom, annual, multi-branching sunflower. This bright sunflower features light, lemony petals and a light brown center...
Easter Lily Bulbs - Miracle
1 Bulb Bag This is a pre-order item that is expected to ship in Mid-December for indoor or winter planting in warm climates. Other seeds, supplies, or kits ordered with...
Pea Seeds - Mammoth Melting Sugar - Organic
60-70 days. Pisum sativum Non-GMO. Heirloom. Sweet, sugary and tender this edible pod snow pea has made its place in home gardens for many years. Wilt resistant vines can grow...
Pea Seeds - Shelling - Little Marvel (Treated)
55-65 Days to maturity. Pisum sativum. Little Marvel Pea Seeds (Treated). Non-GMO, annual, open-pollinated, heirloom, treated pea seeds. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses....
Pea Seeds - Shelling - Wando (Treated)
60-70 Days to maturity. Pisum sativum. Wando Pea (Treated) Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Tolerates both cool spring...
Pea Seeds - Snow - Yellow Sugar (Organic)
65-70 Days to maturity. Pisum sativum. Organic Yellow Sugar Pea Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Lettuce Seeds - Butterhead - Burgandy Boston
50-55 Days to maturity. Lactuca sativa var. capitata. Burgundy Boston Butterhead Lettuce Vegetable Seeds. Non-GMO, open-pollinated heirloom. Burgundy Boston Butterhead Lettuce is known for its striking red-tinged leaves that contrast...
Cucumber Seeds - White Wonder - Clearance Seeds
71% Germination - Non-refundable clearance seeds. 35-60 Days to maturity. White Wonder Cucumber Seeds. This is a very productive and vigorous variety that produces 7-9" long white cucumbers even in...
[
{
"featured_image": "files/pea-seeds-sugar-snap-taichung-13-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-premium_b8faf510-7488-4d39-afdb-8551599ad366.png",
"price": 399,
"handle": "pea-seeds-sugar-snap-taichung-13",
"title": "Pea Seeds - Snap - Taichung 13",
"url": "/products/pea-seeds-sugar-snap-taichung-13",
"available": true
},
{
"featured_image": "files/certified-organic-heirloom-vegetable-seeds-organic-pea-seeds-organic-oregon-sugar-pod-ii-comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_b66232c4-8dbb-4575-b80f-0e0516d0f1d8.jpg",
"price": 320,
"handle": "certified-organic-heirloom-vegetable-seeds-organic-pea-seeds-organic-oregon-sugar-pod-ii",
"title": "Pea Seeds - Snow - Oregon Sugar Pod II (Organic)",
"url": "/products/certified-organic-heirloom-vegetable-seeds-organic-pea-seeds-organic-oregon-sugar-pod-ii",
"available": true
},
{
"featured_image": "files/grass-blend-cabin-grass-seed-mix-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-sm_3e92fa42-d030-4ac5-8135-de5bfeb7b798.png",
"price": 2059,
"handle": "grass-blend-cabin-grass-seed-mix",
"title": "Grass Mix - Cabin Grass Seed",
"url": "/products/grass-blend-cabin-grass-seed-mix",
"available": true
},
{
"featured_image": "files/carrot-yellow-seeds-comp.jpg",
"secondary_image": "products/MVS-generic-packet_4ff43088-1c8c-4d56-a552-f4d721090c86.jpg",
"price": 199,
"handle": "carrot-yellow-seeds",
"title": "Carrot Seeds - Yellow",
"url": "/products/carrot-yellow-seeds",
"available": true
},
{
"featured_image": "files/dundale-dun-pea-seeds-organic-comp.jpg",
"secondary_image": "products/non-gmo-seed-bag-1-oz-sm_1_1_6e923bc1-0167-466e-9275-8065f2aa501e.png",
"price": 359,
"handle": "dundale-dun-pea-seeds-organic",
"title": "Dundale (Dun) Pea Seeds - Organic - Sprouting",
"url": "/products/dundale-dun-pea-seeds-organic",
"available": true
},
{
"featured_image": "files/organic-mammoth-melting-sugar-pea-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_d27b95f9-34e9-4594-b908-49820a1db735.jpg",
"price": 320,
"handle": "organic-mammoth-melting-sugar-pea",
"title": "Pea Seeds - Mammoth Melting Sugar - Organic",
"url": "/products/organic-mammoth-melting-sugar-pea",
"available": false
},
{
"featured_image": "files/rocky_mountain_bag_collage.jpg",
"secondary_image": "files/rocky_mountain_bag_person.jpg",
"price": 988,
"handle": "rocky-mountain-wildflower-mix-gift-bag",
"title": "Rocky Mountain Wildflower Mix - Gift Bag",
"url": "/products/rocky-mountain-wildflower-mix-gift-bag",
"available": true
},
{
"featured_image": "files/triticale-organic-grass-seeds-Comp.jpg",
"secondary_image": "products/16-ounce-triticale-seed-wm_700_f050d88d-bf94-411e-9231-468865d913b8.jpg",
"price": 856,
"handle": "triticale-organic-grass-seeds",
"title": "Triticale (Organic) - Grass Seeds",
"url": "/products/triticale-organic-grass-seeds",
"available": true
},
{
"featured_image": "files/alaska-pea-seeds-comp.jpg",
"secondary_image": "products/SSC-generic-packet_1_1_c7de3da4-ae45-4903-a278-e0d268e6f588.jpg",
"price": 263,
"handle": "alaska-pea-seeds",
"title": "Pea Seeds - Shelling - Alaska",
"url": "/products/alaska-pea-seeds",
"available": true
},
{
"featured_image": "files/pea-seeds-patio-pride-aas-organic-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_e003b3be-959c-4406-9106-2867cc084198.jpg",
"price": 419,
"handle": "pea-seeds-patio-pride-aas-organic",
"title": "Pea Seeds - Shelling - Patio Pride AAS (Organic)",
"url": "/products/pea-seeds-patio-pride-aas-organic",
"available": true
},
{
"featured_image": "files/organic-oregon-giant-peas-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_f39a52ee-3216-472b-99a9-cae376f536f9.jpg",
"price": 199,
"handle": "organic-oregon-giant-peas",
"title": "Pea Seeds - Snow - Oregon Giant (Organic)",
"url": "/products/organic-oregon-giant-peas",
"available": true
},
{
"featured_image": "files/pea-snap-sugar-lace-two-treated-Comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_d2a6f24e-8eb0-40d2-97a1-97985f90fac9.jpg",
"price": 858,
"handle": "pea-snap-sugar-lace-two-treated",
"title": "Pea Seeds - Snap - Sugar Lace II (treated)",
"url": "/products/pea-snap-sugar-lace-two-treated",
"available": true
},
{
"featured_image": "files/pea-snap-sugar-snap-treated-comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_18d2d56e-92d3-4804-b308-0104ecf8bc3f.jpg",
"price": 549,
"handle": "pea-snap-sugar-snap-treated",
"title": "Pea Seeds - Snap - Sugar Snap (Treated)",
"url": "/products/pea-snap-sugar-snap-treated",
"available": true
},
{
"featured_image": "products/pea-green-arrow-seed-wm.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_dcc91450-94c2-4293-b9a5-de7c4ff2f8ca.jpg",
"price": 541,
"handle": "pea-green-arrow-treated",
"title": "Pea Seeds - Shelling - Green Arrow (Treated)",
"url": "/products/pea-green-arrow-treated",
"available": true
},
{
"featured_image": "files/scarlet-flax-seeds-Comp.jpg",
"secondary_image": "products/SeedPacket_438bd2ad-b5f6-4abd-91c0-48ea19e061f2.jpg",
"price": 299,
"handle": "scarlet-flax-seeds",
"title": "Linum Seeds - Scarlet Flax",
"url": "/products/scarlet-flax-seeds",
"available": true
},
{
"featured_image": "files/pea-snap-sugar-sprint-treated-Comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_a85d4420-f34b-44de-b3f5-1d3f4763885b.jpg",
"price": 717,
"handle": "pea-snap-sugar-sprint-treated",
"title": "Pea Seeds - Snap - Sugar Sprint (Treated)",
"url": "/products/pea-snap-sugar-sprint-treated",
"available": true
},
{
"featured_image": "files/Pea-Afila-595-Comp.jpg",
"secondary_image": "files/Pea-Afila-Comp.jpg",
"price": 399,
"handle": "pea-seeds-afila-595",
"title": "Pea Seeds, Afila 595",
"url": "/products/pea-seeds-afila-595",
"available": true
},
{
"featured_image": "files/pea-blue-shelling-organic.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_0703c2d9-9cd8-472b-ab7f-5b415c6c35e3.jpg",
"price": 359,
"handle": "pea-blue-shelling-organic",
"title": "Pea Seeds - Blue Shelling (Organic)",
"url": "/products/pea-blue-shelling-organic",
"available": true
},
{
"featured_image": "files/pea-little-marvel-treated-Comp.jpg",
"secondary_image": "products/non-gmo-sprouting-seed_486dbb62-b042-446a-8705-93eee6f280f2.jpg",
"price": 569,
"handle": "pea-little-marvel-treated",
"title": "Pea Seeds - Shelling - Little Marvel (Treated)",
"url": "/products/pea-little-marvel-treated",
"available": false
},
{
"featured_image": "files/Salpiglossis_Royale_Chocolate_Flower_Seed_Comp.jpg",
"secondary_image": "files/Salpiglossis_Royale_Chocolate_Flower_Comp.jpg",
"price": 479,
"handle": "salpiglossis-royale-series-flower-seed",
"title": "Salpiglossis Seeds - Royale Series",
"url": "/products/salpiglossis-royale-series-flower-seed",
"available": true
},
{
"featured_image": "files/organic-tom-thumb-pea-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_d54bebf5-bb14-4dfd-943a-faf6cfee154a.jpg",
"price": 692,
"handle": "organic-tom-thumb-pea",
"title": "Pea Seeds - Shelling - Tom Thumb (Organic)",
"url": "/products/organic-tom-thumb-pea",
"available": true
},
{
"featured_image": "files/pea-seeds-maple-comp.jpg",
"secondary_image": "products/pea-maple-seeds-supporting-wm.jpg",
"price": 299,
"handle": "pea-seeds-maple",
"title": "Pea Seeds - Field - Maple",
"url": "/products/pea-seeds-maple",
"available": true
},
{
"featured_image": "files/1737046653_cover_crop_spring_mix_seed_comp_5a51f113-910c-4f1d-83a8-7fa9ae30f1d2.jpg",
"secondary_image": "files/1736971074_cover_crop_spring_mix_comp_4b633df6-e5c2-4e39-87f8-0365fd0ef628.jpg",
"price": 497,
"handle": "spring-mix-cover-crop",
"title": "Spring Mix Cover Crop",
"url": "/products/spring-mix-cover-crop",
"available": true
},
{
"featured_image": "products/wando-shelling-pea-wm-700.jpg",
"secondary_image": "products/pea-seed-wando-wm-700.jpg",
"price": 628,
"handle": "pea-seeds-wando-treated",
"title": "Pea Seeds - Shelling - Wando (Treated)",
"url": "/products/pea-seeds-wando-treated",
"available": false
},
{
"featured_image": "files/organic-yellow-sugar-pea-Comp.jpg",
"secondary_image": "products/SSC-organic-generic-packet-com_f7cfea51-4c57-439e-bf48-34c77852a75c.jpg",
"price": 389,
"handle": "organic-yellow-sugar-pea",
"title": "Pea Seeds - Snow - Yellow Sugar (Organic)",
"url": "/products/organic-yellow-sugar-pea",
"available": false
},
{
"featured_image": "files/lettuce_butterhead_burgundy_boston_859da44b-bb05-4a92-b49e-264c233db825.jpg",
"secondary_image": "",
"price": 299,
"handle": "lettuce-seeds-butterhead-burgandy-boston",
"title": "Lettuce Seeds - Butterhead - Burgandy Boston",
"url": "/products/lettuce-seeds-butterhead-burgandy-boston",
"available": false
},
{
"featured_image": "files/1742407862_herb_basil_piedmont_comp_ec1feda1-8604-469a-8a95-d84c71cfd5cf.jpg",
"secondary_image": "files/non-gmo-seed-bag-sm_33ef3f77-6a51-4f90-913a-2f2db8862785.webp",
"price": 569,
"handle": "basil-seeds-piedmont-aas",
"title": "Basil Seeds - Piedmont AAS",
"url": "/products/basil-seeds-piedmont-aas",
"available": true
},
{
"featured_image": "files/1738094037_carthamus_seeds_safflower_zanzibar_organic_comp_6f8d3816-308f-4850-a991-d44e2ad06e90.jpg",
"secondary_image": "",
"price": 359,
"handle": "safflower-seeds-zanzibar-organic",
"title": "Safflower Seeds - Zanzibar (organic)",
"url": "/products/safflower-seeds-zanzibar-organic",
"available": true
},
{
"featured_image": "files/1742576095_sunflower_lemon_queen_organic_comp_c2dcc29a-6314-4f6c-ae35-c81892a1a5f6.jpg",
"secondary_image": "files/1742576095_sunflower_lemon_queen_seeds_organic_comp_4e295bb2-0f85-42fa-96c8-460dc14747fd.jpg",
"price": 589,
"handle": "sunflower-seeds-lemon-queen-organic",
"title": "Sunflower Seeds - Lemon Queen (Organic)",
"url": "/products/sunflower-seeds-lemon-queen-organic",
"available": true
},
{
"featured_image": "files/miracle-easter-lily-comp.jpg",
"secondary_image": "",
"price": 899,
"handle": "easter-lily-bulbs-miracle",
"title": "Easter Lily Bulbs - Miracle",
"url": "/products/easter-lily-bulbs-miracle",
"available": true
},
{
"featured_image": "files/Cucumber_white_wonder_seeds.jpg",
"secondary_image": "",
"price": 895,
"handle": "cucumber-seeds-white-wonder-clearance-seeds",
"title": "Cucumber Seeds - White Wonder - Clearance Seeds",
"url": "/products/cucumber-seeds-white-wonder-clearance-seeds",
"available": false
}
]
