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.
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Melon Seeds - Cantaloupe - Hales Best Jumbo
85-110 Days to maturity. Cucumis melo. Hale's Best Jumbo Cantaloupe Melon Seeds. A non-GMO, annual, heirloom, open-pollinated, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Melon Seeds - Cantaloupe - Hales Best Jumbo (Organic)
85-110 Days to maturity. Cucumis melo. Hale's Best Jumbo Cantaloupe Melon Seeds. A non-GMO, annual, heirloom, open-pollinated, organic, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds,...
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...
Pumpkin Seeds - Connecticut Field
Connecticut Field Pumpkin is an heirloom pumpkin that has been around since colonial time. It was first grown by Native Americans in New England. This is the pumpkin to grow...
Pumpkin Seeds - Cinderella (Organic)
This is the pumpkin to grow if you want a fairytale ending. Also called Rouge Vif D"Etampe, this is the pumpkin drawn in Disney's Cinderella. Non- GMO Organic Cinderella Pumpkin...
Begonia Seeds - Fibrous - Cocktail Series (Pelleted)
105-112 Days to maturity. Begonia x semperflorens. Cocktail Series Fibrous Begonia Seeds. Non-GMO, hybrid, annual flower. Cocktail Series seeds easily grow classic and tidy begonias bursting with timeless - inch...
Melon Seeds - Canary Yellow
80-120 Days to maturity. Cucumis melo. Canary Yellow Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Melon. Suitable for growing in garden plots, raised beds, and greenhouses. This winter melon...
Pumpkin Seeds - Cinderella
95 to 150 days. Cinderella Pumpkin Seeds. Also known as Rouge vif D'Etampes. Kids love this antique french heirloom pumpkin. Flatter than regular pumpkins and darker of color, this is...
Melon Seeds - Crenshaw - Crenshaw
110 Days to maturity. Cucumis melo. Crenshaw Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Crenshaw Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses. The Crenshaw...
Pumpkin Seeds - Jack O Lantern - Organic
Cucurbita pepo. (105 days) This is a pumpkin with lots of great uses. Jack O'Lantern makes a fantastic carving pumpkin for Halloween of course. This pumpkin also divine in soups,...
Pumpkin Seeds - Casper
Cucurbita pepo (115 days) Don't be scared, this ghostly white pumpkin is named after the friendly ghost. Casper is sure to please at Halloween with 15 pound pumpkins perfect for...
Pumpkin Seeds - White Queen
90-120 days. Non-GMO. Open-pollinated. White Queen Pumpkin Seeds from True Leaf Market grow ghostly white pumpkins that reach 7" to 10" in diameter. Ornamental white pumpkins like White Queen can...
Pumpkin Seeds - Show Winner
Cucurbita maxima As the name implies, this is the pumpkin to grow if you want to win a novelty contest. The giant pumpkins develop in an array of colors, including...
Pumpkin Seeds - Dickinson
C. moschata (115 days) Nearly round to elongated fruits, 18 inches long by 14 inch diameter. Up to 40 pounds. Slightly furrowed but smooth buff-colored rind. Pumpkin Seeds - Dickinson...
Sorghum Seeds - Multicolored Broomcorn
105-119 days to maturity. Sorghum bicolor. Multicolored Broomcorn Seeds. Non-GMO, annual, open-pollinated, ornamental grain. This crop is suitable for growing in fields, garden plots, and raised beds. Multicolored broomcorn (sometimes...
Melon Seeds - Piel de Sapo
90-110 Days to maturity. Cucumis melo. Piel de Sapo Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat tolerant, drought tolerant specialty Melon. Suitable for growing in garden plots and raised...
Pumpkin Seeds - Kentucky Field
Cucurbita moschata (113 days) Kentucky Field Pumpkin Seeds. Fruits can be variable in shape, normally deeper/longer than they are wide. Kentucky Field generally weights between 10-15 pounds. The skin is...
Melon Seeds - Banana
80-100 Days to maturity. Cucumis melo. Banana Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Melon. Suitable for growing in garden plots, raised beds, and greenhouses. These unique melons got...
Pumpkin Seeds - Spookie
Non-GMO, heirloom Spookie Pumpkin Seeds from True Leaf Market produce fruit weighing between 6 and 10 lbs. that has smooth orange skin and subtle ribbing. Each pumpkin measures approximately 6"...
Pumpkin Seeds - Mammoth Gold
Cucurbita maxima (110 days) Mammoth Gold Pumpkin produces nice yields of golden orange 40 to 60 lb pumpkins. These pumpkins have a nice smooth surface and thick pale orange flesh....
Corn Seeds - Flour - Montana Morado Maize
90-110 Days to maturity. Zea mays. Montana Morado Maize Corn Seeds. Non-GMO, warm-weather annual, open-pollinated, certified organic flour corn. Suitable for growing in garden plots or raised beds. Montana Morado...
Pumpkin Seeds - Howden Biggie (treated)
Non-GMO Treated Howden Biggie is ready in 115 days. This heirloom and extra large version of Howden will give you a true pumpkin shape and color. Howden Biggie can get...
Melon Seeds - Ananas
90-110 Days to maturity. Cucumis melo. Ananas Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Originating from France, these...
Pumpkin Seeds - Howden
Non-GMO, Heirloom Howden Pumpkin Seeds. 115 days. Uniform 15 to 25 pound, deep round, symmetrical fruits with a thick, hard, rich-orange shell and extra-thick flesh for fine Jack O' Lanterns....
Morning Glory Seeds - Mixed Colors
112 Days to maturity. Ipomoea purpurea. Mixed Colors Morning Glory Seeds. Non-GMO, annual. Morning glory seeds are an essential and decorative plant for your summertime garden, home, or patio. Annual...
Melon Seeds - Casaba - Golden Beauty
110 Days to maturity. Cucumis melo. Golden Beauty Casaba Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, Casaba Melon. Suitable for growing in garden plots and raised beds. Golden Beauty...
Competition Pumpkin Seeds - 400 lb plus
115+ Days to maturity. Non-GMO Competition Pumpkin 400 lb. Plus pumpkin seeds from True Leaf Market come from competition pumpkins that weighed 400 lbs. or more. Whether you want to...
Seed Potatoes - Purple Majesty (Organic)
This item is a pre-order item and is expected to ship in March for spring planting. Other seeds, supplies, or kits ordered with this product may ship separately. This product...
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