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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1 - 18 of 62
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Extra early and heat tolerant, our best round red radish.
Extra early radish.
21 Days
Early, heat-tolerant standard variety with more shallowly-lobed leaf.
Early, heat tolerant.
38 Days
Heavy, vigorous white-stem pac choi; cold and heat tolerant.
Heavy, vigorous white-stem pac choi.
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
Popular "red" mustard from Japan, possesses mild mustard flavor.
Popular "red" mustard from Japan.
21 baby; 45 full size
Heat-tolerant organic variety that produces high-quality roots.
Heat-tolerant organic radish.
22 Days
Heat tolerant, full-size romaine.
A longtime favorite. Conventional seed with conventional pelleting.
57 Days
Early, heat-tolerant standard variety.
Early, heat tolerant.
38 Days
Best heat tolerance, ideally-suited for summer, early fall harvest.
Best heat tolerance.
71 Days
Most adaptable butterhead with excellent flavor and texture.
Most adaptable butterhead.
47 Days
AAS (All-America Selections) Winners
Green Wave Mustard Greens
Slowest-to-bolt mustard green perfect for salad mixes or bunches.
Slowest-to-bolt mustard green.
21 baby, 45 full size
Large and fancy, heat tolerant red butterhead for stunning display.
Heat tolerant red butterhead. Organic seed with NOP-compliant pelleting.
48 Days
Heat tolerant dark green butterhead with broad disease resistance.
Heat tolerant dark green butterhead. Conventional seed with NOP-compliant pelleting.
48 Days
Johnny's Exclusive
Black Summer Pac Choi (Bok Choy)
Beautiful dark green pac choi, best at full size, suitable for minis.
Beautiful dark green pac choi.
45 Days
Johnny's Exclusive
Adriana Butterhead Lettuce (Boston)
Heat tolerant dark green butterhead with broad disease resistance.
Heat tolerant dark green butterhead.
48 Days
A red summer crisp with good flavor.
A red summer crisp with good flavor. Conventional seed with NOP-compliant pelleting.
48 Days
Heat tolerant, full-size romaine.
Heat tolerant, full-size romaine. Organic seed with NOP-compliant pelleting.
57 Days
1 - 18 of 62