Hot Weather Annuals and Perennials - Knowledgebase Question

Middletown, CA
Question by lisa953
March 22, 2000
Where we moved to it gets very hot approx 110-112 degrees in the summer than fairly cold in the winter. I'm attempting to find out what type of flowers can withstand the heat.

Answer from NGA
March 22, 2000


You're gardening in wine country! The summer heat won't bother Ageratum, Brachycome (Swan River Daisy), Celosia, Cleome, Convolvulus (morning glory), Cosmos, Eustoma (lisianthus), Gomphrena (globe amaranth), Helianthus (sunflower), Lobularia maritima (sweet alyssum), Salvia, Scabiosa, Tagetes (marigold), Thunbergia (Black-eyed Susan), Tithonia (Mexican sunflower), or Zinnia. Additionally, African daisy, Aster, Dianthus, Felicia (blue Marguerite), Lantana, Gazania, Geranium, Gypsophila, Sunrose, Kniphofia (red-hot poker), ice plant, Mirabilis (four o'clock), lavender, Papaver (poppy), Sedum, thyme and Rudbeckia will grow well in your region.

To give your plants the best possible conditions, prepare the beds well, amending with organic matter to help hold in moisture and prevent rapid evaporation. When hot weather arrives, water in the early morning, deeply soaking the root area.

Following the above suggestions should provide you with a colorful and fragrant summer garden!

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