10 best heat-tolerant seeds of 2025 - Reviews by New York Garden

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The 10 best heat-tolerant seeds of 2025

Updated: May, 21 2025

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In this September 2025 review, we explore the 10 best heat-tolerant seeds options available. Our expert analysis, led by Amanda Rose, ensures you find the perfect fit.

Outsidepride French Marigold Seeds Mix - 1000 Pcs Annual, Compact, Heat & Drought Tolerant Flower Seeds for Planting w/Orange & Yellow Prolific Blooms, Ideal for Vibrant Pollinator Gardens

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best heat-tolerant seeds

Burpee Heatwave Blend Lettuce Seeds 1000 seeds

4.3

$10.24

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Scotts Turf Builder Grass Seed Heat-Tolerant Blue Mix for Tall Fescue Lawns with Fertilizer and Soil Improver, 5.6 lbs.

4.2

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1200+ Crazy Blend Zinnia Seeds for Planting, Heat & Drought Tolerant, Zinnia Elegans Lilliput Seeds, Garden Cut Flower Mix, Non GMO, Untreated Mixed Color Zinnia Flowers

4.5

$6.45

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Organic Heat Tolerant Lettuce Seeds Variety Pack - 9 Individual Packs - 2025 Season - Galilee Spinach, Wild Arugula, Romaine Lettuce & More! for Indoor & Outdoor Planting (Non-GMO, Certified Organic)

4.1

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1500 Florida Broadleaf Mustard Seeds for Planting | Fast Growing | Heat and Cold Tolerant | Non-GMO | Heirloom Garden Seed - Cải bẹ xanh - Small GAI Choi

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Outsidepride French Marigold Seeds Mix - 1000 Pcs Annual, Compact, Heat & Drought Tolerant Flower Seeds for Planting w/Orange & Yellow Prolific Blooms, Ideal for Vibrant Pollinator Gardens

4.4

$7.49

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MET Certified 2 Pack Seedling Heat Mat, Seedfactor Waterproof Durable Germination Station Heat Mat, Warm Hydroponic Heating Pad for Indoor Home Gardening Seed Starter(10" X 20")

4.6

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Sow Right Seeds - Buttercrunch Lettuce Seeds for Planting - Non-GMO Heirloom Packet with Instructions to Plant a Home Vegetable Garden - Outdoors or Hydroponics Indoors - Heat Tolerant Variety (1)

4.2

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Heatwave Lettuce Seed Mix - 1 g Packet ~900 Seeds - Blend of Red & Green Heat Tolerant Leaf & Bibb Lettuces - Non-GMO Gardening Seeds

4.6

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50+Annual Zinderella Zinnia Seed for Planting Outdoor- Rare Flower Plant Seeds for Garden Beds Border Home Heat Tolerant

3.9

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Amanda Rose

contributing writer

I have passion and many years of research on how to care for and grow gardens. Now I have turned my expertise to writing, focusing on reviewing and providing valuable information about outdoor products such as pool cleaners, solar generators, and also providing you tips to grow and care for flowers in your garden. I hope that the content I provide will bring useful knowledge to you.