Before shopping for plants based on your USDA Plant Hardiness Zone, please read our in-depth article about Plant Hardiness Zone Maps to understand their uses and their limitations.

Use the official USDA Hardiness Zone Map to determine your zone by zip code.

Read More about Plants for Zone 8

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More Information About Plants for Zone 8

Zone 8a and Zone 8b Plants

Many of the perennial plants in our catalog are well-suited for Zones 8a or 8b. Several of our favorite species of abutilon, agave, ajuga, amorphophallus, baptisia, brugmansia, buddleia, calanthe, canna, colocasia, crinum, epimedium, hedychium, heleborus, hibiscus, hosta, kniphofia, lantana, lycoris, mangave, muhlenbergia, oxalis, paeonia, rohdea, ruscus, salvia, sarracenia, trillium, and zingiber thrive in Zones 8a or 8b. Be sure to read how we assign hardiness zones to our plants.

The USDA Plant Hardiness Zone Map is based on the average annual minimum winter temperature, divided into 10-degree F zones. Each zone is then subdivided into 5-degree F sub-zones. Zone numbers increase as you move from north to south.

Zone 8a annual minimum winter temperatures should be 10 to 15 °F (-12.2 to -9.4 °C). Zone 8b annual minimum temperatures should be 15 to 20 °F (-9.4 to -6.7 °C). Keep in mind that the zone designation does not tell you how many days the area may reach those average minimums. There can also be a major difference between what plants will grow in the 'a' or 'b' sub-zones.