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Plant Guide

Best Plants for Houston, Texas

📍 Houston, TX 🌡️ USDA Zone 9a/9b 🌱 253+ compatible plants

Gardening in Houston

Houston falls in USDA Hardiness Zone 9a/9b, which means your plants need to survive winters with minimum temperatures in the 20°F to 30°F range. The 253+ plants below are proven performers for your zone — including deer-resistant varieties, pet-friendly options, and pollinator-attracting species.

Top Plant Picks for Houston

Ceanothus
Ceanothus
Ceanothus thyrsiflorus
Vibrant blue blossoms burst in spring on this evergreen shrub, creating a stunning coastal display. Deer resistant and drought tolerant, it thrives in USDA zones 7-10.
Zone 7–10🦌 Deer-Resistant🐾 Pet-Friendly†🐝 Pollinator
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Hellebore
Hellebore
Helleborus orientalis
Early spring brings stunning, nodding blooms in shades of white, pink, and purple that brighten shady spots. This deer-resistant perennial thrives in USDA zones 4-9 and requires minimal care.
Zone 4–9🦌 Deer-Resistant🐝 Pollinator
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Knautia
Knautia
Knautia macedonica
Vibrant red-purple blooms dazzle from early summer to fall, adding long-lasting color to any garden. Deer resistant and thriving in USDA zones 5-9, it attracts pollinators with ease.
Zone 5–9🦌 Deer-Resistant🐾 Pet-Friendly†🐝 Pollinator
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Goldenrod
Goldenrod
Solidago canadensis
Bright golden-yellow blooms light up late summer gardens, adding vibrant color as other flowers fade. This hardy, deer-resistant perennial thrives in USDA zones 3-9 and attracts valuable pollinators.
Zone 3–9🦌 Deer-Resistant🐾 Pet-Friendly†🐝 Pollinator
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Calibrachoa (Million Bells)
Calibrachoa (Million Bells)
Calibrachoa × hybrida
Vibrant, trumpet-shaped blooms in shades of pink, purple, and red brighten gardens from spring through fall. This low-maintenance beauty thrives in USDA zones 9-11 and attracts pollinators effortlessly.
Zone 2–11🦌 Deer-Resistant🐾 Pet-Friendly†🐝 Pollinator
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Dahlia
Dahlia
Dahlia pinnata
Vibrant pink and white blooms dazzle from June to September, adding long-lasting color to sunny gardens. Low-maintenance and pollinator-friendly, this Dahlia thrives in USDA zones 4-9 with medium water needs.
Zone 4–9🐝 Pollinator
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Scabiosa
Scabiosa
Scabiosa columbaria
Delicate pale blue blooms brighten summer gardens with a charming, airy presence. This deer-resistant perennial thrives in USDA zones 3-9 and attracts abundant pollinators.
Zone 5–9🦌 Deer-Resistant🐾 Pet-Friendly†🐝 Pollinator
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Trumpet Vine
Trumpet Vine
Campsis radicans
Vibrant orange-red trumpet-shaped blooms dazzle from summer to fall, attracting hummingbirds with their fiery display. This vigorous climber is deer resistant and thrives in USDA zones 4-9 with minimal care.
Zone 4–9🦌 Deer-Resistant🐾 Pet-Friendly†🐝 Pollinator
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Russian Sage
Russian Sage
Perovskia atriplicifolia
Sky-blue blooms from July to October create airy, vibrant spikes that brighten any full sun garden. This deer-resistant beauty thrives in zones 4-9 and attracts buzzing pollinators all season long.
Zone 4–9🦌 Deer-Resistant🐾 Pet-Friendly†🐝 Pollinator
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Maiden Grass
Maiden Grass
Miscanthus sinensis 'Gracillimus'
Graceful plumes of silvery pink bloom in late summer, adding elegant movement and texture to any garden. This low-maintenance grass thrives in USDA zones 5-9 and is deer resistant.
Zone 4–9🦌 Deer-Resistant🐾 Pet-Friendly†
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Endless Summer Hydrangea
Endless Summer Hydrangea
Hydrangea macrophylla 'Endless Summer'
Vibrant pink and white blooms grace this shrub from June to September, adding long-lasting color to your garden. Low-maintenance and pollinator-friendly, it thrives in USDA zones 4-9 with full sun to part shade.
Zone 4–9🐝 Pollinator
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Swamp Milkweed
Swamp Milkweed
Asclepias incarnata
Vibrant pink blooms light up summer gardens with a captivating display that attracts butterflies and hummingbirds. This moisture-loving native thrives in USDA zones 3-9 and is a reliable pollinator magnet.
Zone 3–9🦌 Deer-Resistant🐝 Pollinator
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Get a Personalized Plant List for Houston

Answer 4 quick questions about your yard — sun, soil, deer pressure, and pet situation — and get a custom list of plants that will thrive in Zone 9a/9b.

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Other Cities in Zone 9a/9b

San Antonio, TX San Jose, CA Jacksonville, FL Las Vegas, NV Tucson, AZ Fresno, CA Sacramento, CA New Orleans, LA Tampa, FL

Browse All 253+ Plants for Zone 9a/9b

The 12 picks above are a sample. Use the full directory to filter by sun, water, deer resistance, and more.

View All Zone 9 Plants →

† "Pet-friendly" means not listed as toxic by ASPCA for dogs and/or cats. Always supervise pets around plants. ASPCA Animal Poison Control: (888) 426-4435.