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Heat-Tolerant Drosera for Northern California Bog Garden (Zone 9a)

Best Temperate Sundews for Hot Summer Bog Gardens

A Mendocino County, CA grower (Zone 9a, 20–25°F winters, 100°F+ summers, 7–9 hrs full sun, 50/50 peat/perlite, RO/ZeroWater) asked which Drosera species thrive.

Recommended Species (Heat-Loving)

D. intermedia
D. filiformis
D. tracyi
D. capillaris

These enjoy full sun and summer heat.

Species to Avoid (Cool-Preferring)

D. rotundifolia
D. anglica

These grow at higher elevations with cooler days; will struggle in 100°F+ heat.

Carnivorous Plants: Moving Tropical Sundews and Nepenthes Outdoors for Summer; Dormancy Requirements for Carnivorous Plants in Tropical India; Cold-Hardy Drosera for Zone 9a: Species That Handle Variable Winters; Terrarium Check: Temperature, Ventilation, and Hands-Off Time; Identifying a Pygmy Sundew: Drosera nitidula × pucherella; Identifying Sarracenia rubra Subspecies & Drosera—Seedling Sun Transition; Growing Lobelia in Containers: Sun, Shade, Water, and Feeding Guide; Growing Swiss Chard: Colorful Greens for Summer and Beyond; Growing Lettuce: Diverse Salad Greens for Cool Seasons; Growing Summer Squash: Varieties, Planting, and Harvest Tips

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