Hereare some of Burpee's most heat tolerant annual flowers:
Please not some are not extreme heat tolerant.
- Zinnia– Zinnia are heat tolerant in general but most heat tolerant are Zinnia angustifolia
- Old Mexico, Zahara (Yellow and Salmon), Oklahoma, Queeny, Pinwheel
- Vinca (Madagascar Periwinkle)– Annual vinca are very tolerant to extreme heat
- Soiree Kawaii, Tattoo
- Portulaca (Moss Rose)– Low-growing, succulent-leaved, thrives in extreme sun and drought.
- Sundial, Carousel
- Celosia– all are heat tolerant
- Sol, Arrabona
- Gomphrena (Globe Amaranth)–— blooms nonstop in heat and humidity.
- QIS Mix, Fireworks
- Marigold– French and African types,
- French- Queen Sophia, Strawberry Blonde Boy O Boy
- American-Climax
- Cosmos–
- Burpee Variety: Sonata, Psyche White, Sensation, Choca Mocha
- Tithonia (Mexican Sunflower) – Big, bold orange blooms; excellent for pollinators.
- Lantana(grown as annual in colder zones) – Indestructible in heat, nonstop blooms.
- Landmark
- Salvia– Most grow quite well in the heat
- Big Blue, Victoria, Roman Red,
- Cuphea (Mexican Heather, Cigar Plant)– Small but mighty heat-tolerant blooms.
- Honeybells, Sweet Talk
- Sunflowers– Especially dwarf and branching types
- Sunfinity, Pro cut, Teddy Bear, Lemon Queen , Italian White, Ms Mars
Most Heat Tolerant we carry but not high heat
- Petunias (Heat-tolerant types) – 'Wave', 'Supertunia Vista', and 'Shock Wave' series are bred for heat resistance
- Cleome (Spider Flower) –Sparkler
- Impatiens- Beacon
- Geranium- Calliope
- Dianthus- Jolt