Featured Heat Tolerant
Heat Tolerant
Heat Tolerant
In our trials, we tested and selected varieties that can endure heat successfully. These more heat tolerant versions of cool-weather crops give you a better chance of harvesting crops like lettuce, greens, and broccoli in the hot summer months. Choose from over sixty heat tolerant vegetable seed varieties to fill your seasonal planting slots.
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Grand Marshall Beefsteak Tomatoes
High-quality beefsteak that sets fruit in heat.
New! Sets fruit in heat.
78 Days
New
Song TJS-65 Green Stem Cauliflower
Exceptional sweet-stem cauliflower.
New! Exceptional sweet-stem cauliflower.
44 Days
Early, heat-tolerant standard variety.
Early, heat tolerant.
21 baby; 38 full size
Extra early and refined.
Extra early and refined.
21 Days
Heavy, vigorous white-stem pac choi; cold and heat tolerant.
Heavy, vigorous white-stem pac choi.
50 Days
Heat-tolerant organic variety that produces high-quality roots.
Heat-tolerant organic radish.
22 Days
The most heat tolerant lettuce.
The most heat tolerant lettuce. Organic seed with NOP-compliant pelleting.
50 Days
Bolt-, heat-, cold-tolerant pac choi for full or medium-size heads.
For full or medium-size heads.
45 Days
The most heat tolerant lettuce.
The most heat tolerant lettuce.
50 Days
Best heat tolerance, ideally-suited for summer, early fall harvest.
Best heat tolerance.
71 Days
Standard heat tolerant green leaf with disease resistance.
Standard heat tolerant green leaf. Conventional seed with conventional pelleting.
52 Days
AAS (All-America Selections) Winners
Green Wave Mustard Greens
Slowest-to-bolt mustard green.
Slowest-to-bolt mustard green.
21 baby; 45 full size
Heat tolerant, full-size romaine.
A longtime favorite. Conventional seed with conventional pelleting.
57 Days
Popular "red" mustard from Japan, possesses mild mustard flavor.
Popular "red" mustard from Japan.
21 baby; 45 full size
Johnny's Exclusive
Adriana Butterhead Lettuce (Boston)
Heat tolerant dark green butterhead with broad disease resistance.
Heat tolerant dark green butterhead.
48 Days
Heat-resistant large bunching onions, leaves resist breaking.
Heat-resistant, large bunching onions.
65 Days
Large and fancy, heat-tolerant red butterhead for stunning display.
Heat tolerant red butterhead.
48 Days
Early, heat-tolerant standard variety.
Early, heat tolerant.
21 baby; 38 full size
1 - 18 of 70