Growth Zones

Zone 10a stays above 30°F, found in coastal Florida and SoCal. Palms or jasmines revel in near-tropical conditions, rarely facing frost. Your projects here can go bold with lush, warm-loving shrubs.

Zone 10b’s 35°F lows fit southern tips like Miami. Bird of paradise or schefflera thrive, soaking up consistent warmth. They’re a dream for your clients in frost-free paradises.

Zone 11a rarely dips below 40°F, seen in Hawaii and South Florida keys. Tropical shrubs like crotons glow year-round, dodging cold entirely. Your team can lean into exotics for these balmy spots.

Zone 11b stays above 45°F, pure tropics like Puerto Rico. Frangipanis or heliconias rule, loving endless summer. They’re niche but stunning for your clients in equatorial climates.

Zone 12a hits 50°F lows, rare outside true tropics. Coconut palms or gingers thrive, built for heat and humidity. Your landscaping here goes full jungle for adventurous clients.

Zone 12b stays above 55°F, peak tropical zones. Bamboos or bananas flourish, craving constant warmth. They’re a bold play for your jobs in the hottest corners.

Zone 13a never drops below 60°F, think equatorial islands. Orchids or cacao shrubs prosper, pure heat-lovers. Your clients here get rare, exotic options for steamy climes.

Zone 13b is frost-free bliss, above 65°F, like deep rainforests. Ferns or epiphytes reign, thriving in unrelenting warmth. They’re a specialty for your most tropical projects.

In Zone 1a, winter lows plunge to extreme colds, found in places like interior Alaska. Only the toughest shrubs—like arctic willow—survive here, enduring frozen soils and short summers. Your clients in these frigid zones need ultra-hardy picks that shrug off permafrost and thrive in brief growing seasons.

Zone 1b brings slightly less brutal winters, still in the Arctic realm. Shrubs like dwarf birch hang tough, handling deep freezes and limited daylight. For your landscaping jobs, these plants offer resilience in near-tundra conditions, perfect for clients facing relentless cold.

Zone 2a chills to -50°F, common in northern Canada and Alaska’s edges. Cold-hardy shrubs like Siberian pea shrub shine, resisting frost while adding greenery to stark landscapes. Your team can rely on these for clients needing life in subzero winters.

Zone 3a dips to -40°F, seen in the upper Midwest and Canada’s interior. Hardy shrubs like redtwig dogwood thrive, offering color against snow. For your clients, these plants bring durability to gardens where winter dominates.

Zone 3a dips to -40°F, seen in the upper Midwest and Canada’s interior. Hardy shrubs like redtwig dogwood thrive, offering color against snow. For your clients, these plants bring durability to gardens where winter dominates.

Zone 3b eases to -35°F, found in northern U.S. plains. Lilacs or junipers prosper here, handling cold while delivering spring blooms or evergreen cover. They suit your work orders for clients wanting beauty in chilly climates.

Zone 4a sees -30°F lows, typical of the upper Midwest and mountain regions. Viburnums or spireas hold strong, balancing cold tolerance with seasonal flair. Your team can plant these for clients needing reliable shrubs in frosty zones.

Zone 4b hits -25°F, common in central U.S. states. Shrubs like hydrangeas adapt well, offering blooms after moderate winters. They’re versatile for your landscaping, thriving where cold lingers but doesn’t crush.

Zone 5a drops to -20°F, seen in the Midwest and Northeast. Roses or barberries flourish, mixing hardiness with charm for clients in temperate-yet-wintry areas. Your projects gain flexibility with these adaptable picks.

Zone 5b’s -15°F lows suit much of the central U.S. Shrubs like forsythia bring early color, thriving in milder cold spells. They’re a go-to for your clients wanting vibrant growth without extreme frost worries.

Zone 6a reaches -10°F, found in the Mid-Atlantic and Midwest edges. Azaleas or hollies do well, offering evergreen or bloom options in cool climates. Your team can lean on these for clients in transitional zones.

Zone 6b hovers near 0°F, typical of milder northern states. Camellias or privets prosper, adding variety to landscapes with light freezes. They’re practical for your work where winter bites but doesn’t linger.

Zone 7a stays just above freezing, common in the Southeast and Pacific Northwest. Rhododendrons or laurels thrive, loving mild winters and long seasons. Your clients here get lush options with minimal cold stress.

Zone 7b’s 5°F lows suit southern plains and coasts. Oleanders or crape myrtles shine, handling light frost with bold growth. They’re ideal for your projects in warmer, forgiving climates.

Zone 8a dips to 10°F, seen in the Deep South and West Coast. Pittosporums or sages grow strong, enjoying mild winters and hot summers. Your team can use these for clients in near-subtropical zones.

Zone 8b’s 15°F lows fit coastal South and Southwest areas. Lavenders or grevilleas thrive, balancing heat and occasional chills. They’re a fit for your clients wanting Mediterranean vibes.

Zone 9a hits 20°F, common in California and Gulf Coast spots. Hibiscus or bougainvillea flourish, loving warmth with rare frosts. Your landscaping gains tropical flair for these mild regions.

Zone 9b’s 25°F lows suit subtropical edges. Citrus shrubs or agaves bask in heat, shrugging off light cold. They’re perfect for your clients in balmy, frost-light areas.