links to seed finder tool

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
2011 Items
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Tomato Seeds - Paste - Hungarian Paste (Organic)small size packet type seed packaging for - Tomato Paste Hungarian Paste Organic
-0
Heirloom
Organic
Tomato Seeds - Paste - Hungarian Paste (Organic)
$4.69
Tomato Seeds - Slicing - Beefsteak Yellowsmall size packet type seed packaging for - Tomato Slicing Beefsteak Yellow
-0
Heirloom
Tomato Seeds - Slicing - Beefsteak Yellow
Starting at $2.99
Melon Seeds - Honeydew - Earli-Dew HybridMelon Seeds - Honeydew - Earli-Dew Hybrid
-0
Melon Seeds - Honeydew - Earli-Dew Hybrid
Starting at $7.49
Lettuce Seeds - Leaf - Flame (Organic)small size packet type seed packaging for - Lettuce Leaf Flame Organic
-0
Heirloom
Organic
Lettuce Seeds - Leaf - Flame (Organic)
Starting at $3.59
Tomato Seeds - Slicing - Watermelon Beefsteakmid size pouch type seed packaging for - Tomato Slicing Watermelon Beefsteak
-0
Heirloom
Tomato Seeds - Slicing - Watermelon Beefsteak
Starting at $2.99
Corn Seeds - Sweet - Incredible Hybrid R/M (treated)mid size pouch type seed packaging for - Corn Sweet Incredible Hybrid R/M treated
-0
Corn Seeds - Sweet - Incredible Hybrid R/M (treated)
Starting at $15.18
Linum Seeds - Blue Flaxsmall size packet type seed packaging for - Linum Blue Flax
-0
Linum Seeds - Blue Flax
Starting at $2.79
Celosia Seeds - Wheat - Flamingo SeriesCelosia Seeds - Wheat - Flamingo Series
-0
Celosia Seeds - Wheat - Flamingo Series
Starting at $2.99
Bean Seeds - Bush - Contender (Treated)small size packet type seed packaging for - Bean Bush Contender Treated
-0
Heirloom
Bean Seeds - Bush - Contender (Treated)
Starting at $4.85
Sweet Pea Seeds - Knee High Mixturemid size pouch type seed packaging for - Sweet Pea Knee High Mixture
-0
Sweet Pea Seeds - Knee High Mixture
Starting at $3.59
Tomato Seeds - Cherry - Fox Cherrymid size pouch type seed packaging for - Tomato Cherry Fox Cherry
-0
Heirloom
Tomato Seeds - Cherry - Fox Cherry
Starting at $3.09
Tomato Seeds - Slicing - Aunt Ruby's German Greenmid size pouch type seed packaging for - Zinnia Magellan Series Orange
-28%
Heirloom
Tomato Seeds - Slicing - Aunt Ruby's German Green
Starting at $1.99
Squash Seeds - Winter - Bush Delicata (Organic)mid size pouch type seed packaging for - Squash Winter Bush Delicata Organic
-0
Heirloom
Organic
Squash Seeds - Winter - Bush Delicata (Organic)
Starting at $3.79
Cucumber Seeds - Arkansas Little Leafsmall size packet type seed packaging for - Cucumber Arkansas Little Leaf
-0
Heirloom
Cucumber Seeds - Arkansas Little Leaf
Starting at $2.99
Cucumber Seeds - West Indian Gherkin
-0
Heirloom
Cucumber Seeds - West Indian Gherkin
Starting at $3.99
Lettuce Seeds - Crisphead - Salinasmid size pouch type seed packaging for - Lettuce Crisphead Salinas
-0
Heirloom
Lettuce Seeds - Crisphead - Salinas
Starting at $3.09
Cabbage Seeds - Purple Savoysmall size packet type seed packaging for - Cabbage Purple Savoy
-0
Heirloom
Cabbage Seeds - Purple Savoy
Starting at $2.99
Lettuce Seeds - Purple Sword Celtucemid size pouch type seed packaging for - Lettuce Purple Sword Celtuce
-50%
Heirloom
Lettuce Seeds - Purple Sword Celtuce
Starting at $1.99
Mustard Seeds - Crimson Tide
-0
Mustard Seeds - Crimson Tide
Starting at $3.99
Columbine Seeds - Origami Mixmid size pouch type seed packaging for - Columbine Origami Mix
-0
Columbine Seeds - Origami Mix
Starting at $4.39
Mustard Seeds - Mizuna Red Streaks (Organic)Mustard Seeds - Mizuna Red Streaks (Organic)
-0
Heirloom
Organic
Mustard Seeds - Mizuna Red Streaks (Organic)
Starting at $3.99
Tomato Seeds - Cherry - Chadwick Cherrymid size pouch type seed packaging for - Zinnia Magellan Series Orange
-0
Heirloom
Tomato Seeds - Cherry - Chadwick Cherry
Starting at $2.99
Lettuce Seeds - Butterhead - Capitainesmall size packet type seed packaging for - Lettuce Butterhead Capitaine
-0
Heirloom
Lettuce Seeds - Butterhead - Capitaine
Starting at $2.99
Melon Seeds - Collective Farm Womansmall size packet type seed packaging for - Melon Collective Farm Woman
-0
Heirloom
Melon Seeds - Collective Farm Woman
Starting at $2.99
Komatsuna Mustard Seeds - Green Boy - Hybridmid size pouch type seed packaging for - Komatsuna Mustard Green Boy Hybrid
-0
Komatsuna Mustard Seeds - Green Boy - Hybrid
Starting at $3.99
Mustard Seeds - Tat Soi - Scarlet Red (Organic)
-0
Organic
Mustard Seeds - Tat Soi - Scarlet Red (Organic)
Starting at $3.99
Squash Seeds - Summer - Amberpic Hybridsmall size packet type seed packaging for - Squash Summer Amberpic Hybrid
-0
Squash Seeds - Summer - Amberpic Hybrid
Starting at $3.99
Tomato Seeds - Slicing - Early Doll Hybridsmall size packet type seed packaging for - Tomato Slicing Early Doll Hybrid
-0
Tomato Seeds - Slicing - Early Doll Hybrid
Starting at $3.99
Saponaria Seeds - Rock Soapwort
Starting at $3.29
Beet Seeds - Detroit Mix - Organic
Starting at $3.59
Pumpkin Seeds - Fall Rainbow Blend - Organic
Starting at $3.59
Squash Seeds - Winter - Sunshine Hybrid
Starting at $5.19
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