City guide · Zone 9b
What to plant in Houston, Texas
A full-sun bed in Houston: Dwarf yaupon holly 'Nana', Lilyturf 'Big Blue', African iris, Mexican bush sage, Daylily 'Stella de Oro'. Zone 9b, last frost around Feb 10.
Gulf heat and humidity with heavy downpours, so drainage matters. Choose plants that take both wet spells and long heat.
Preview: plant data is awaiting horticulturist review. A professional horticulturist hasn't reviewed our plant table yet. Lists still follow fixed rules for zone, sun, pets, deer and invasive status.
Houston, Texas at a glance
- Hardiness zone (2023 USDA)
- 9b (ZIP 77002)
- Typical last spring frost
- Feb 10
- Typical first fall frost
- Dec 10
- Spring planting window
- late February to mid-April
- Fall planting window
- late October to mid-December
- Annual rainfall (approx.)
- 50 in
Frost dates are typical metro values, not forecasts. Long, hot summers with drought and sudden downpours rule out many plants that the zone map says will survive. Our lists for Houston use the rules for Texas and the South-Central states.
Zone: USDA Plant Hardiness Zone Map, 2023 (USDA Agricultural Research Service; data by the PRISM Climate Group, Oregon State University). ZIP code to state data: GeoNames (geonames.org), CC BY 4.0.
A full-sun bed in Houston
6 or more hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 9b · 6+ hours of sun · Modern
Ilex vomitoria 'Nana'
Structure · Back of bed · 3-gallon pot · 3.5 ft apart · grows 3–5 ft tall · Foliage plant
Can't find it? Use Upright rosemary 'Tuscan Blue' or Inkberry holly 'Shamrock'.
Liriope muscari 'Big Blue'
Grass · Front of bed · 1-gallon pot · 1 ft apart · grows 1–1.5 ft tall · Aug–Sep
Listed as invasive in North Carolina in our table. Don't plant it there.
Can't find it? Use Autumn moor grass.
African iris
× 3
Dietes iridioides
Filler · Middle of bed · 1-gallon pot · 2 ft apart · grows 2–3 ft tall · Mar–Oct
Can't find it? Use Lily of the Nile or Bulbine.
Salvia leucantha
Filler · Back of bed · 1-gallon pot · 3 ft apart · grows 3–4 ft tall · Aug–Nov
Can't find it? Use Lily of the Nile or Anise-scented sage 'Black and Blue'.
Hemerocallis 'Stella de Oro'
Edge · Edge of bed · 1-gallon pot · 1.5 ft apart · grows 1–1.5 ft tall · May–Sep
Kinds
5
Plants
18
Coverage
84%
Mulch
9 bags
Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 84% of the 72 sq ft bed when mature.
A part-shade bed in Houston
2 to 4 hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 9b · 2–4 hours of sun · Classic
Ilex vomitoria 'Nana'
Structure · Back of bed · 3-gallon pot · 3.5 ft apart · grows 3–5 ft tall · Foliage plant
Can't find it? Use Inkberry holly 'Shamrock' or Sasanqua camellia 'Shishi Gashira'.
Carex oshimensis 'Evergold'
Grass · Front of bed · 1-gallon pot · 1 ft apart · grows 0.75–1 ft tall · Foliage plant
Can't find it? Use Mondo grass or Japanese sedge 'Ice Dance'.
Aspidistra elatior
Filler · Middle of bed · 1-gallon pot · 2 ft apart · grows 2–3 ft tall · Foliage plant
Can't find it? Use Autumn fern or Southern shield fern.
African iris
× 5
Dietes iridioides
Filler · Middle of bed · 1-gallon pot · 2 ft apart · grows 2–3 ft tall · Mar–Oct
Can't find it? Use Autumn fern or Southern shield fern.
Liriope muscari 'Variegata'
Edge · Edge of bed · 1-gallon pot · 1 ft apart · grows 1–1.25 ft tall · Aug–Sep
Listed as invasive in North Carolina in our table. Don't plant it there.
Can't find it? Use Mondo grass or Lilyturf 'Big Blue' (invasive in North Carolina: don't plant it there).
Kinds
5
Plants
31
Coverage
85%
Mulch
9 bags
Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 85% of the 72 sq ft bed when mature.
A shady bed in Houston
Under 2 hours of direct summer sun, 12 × 6 ft.
12 × 6 ft · Zone 9b · Under 2 hours of sun · Classic
Aucuba japonica 'Variegata'
Structure · Back of bed · 3-gallon pot · 4.5 ft apart · grows 4–6 ft tall · Foliage plant
Can't find it? Use Dwarf yaupon holly 'Nana' or Soft Caress mahonia 'Soft Caress'.
Autumn fern
× 7
Dryopteris erythrosora
Grass · Middle of bed · 1-gallon pot · 1.5 ft apart · grows 1.5–2 ft tall · Foliage plant
Can't find it? Use Lilyturf 'Big Blue' (invasive in North Carolina: don't plant it there) or Variegated lilyturf 'Variegata' (invasive in North Carolina: don't plant it there).
Aspidistra elatior
Filler · Middle of bed · 1-gallon pot · 2 ft apart · grows 2–3 ft tall · Foliage plant
Can't find it? Use Bush lily or Christmas fern.
Thelypteris kunthii
Filler · Middle of bed · 1-gallon pot · 2 ft apart · grows 2–3 ft tall · Foliage plant
Can't find it? Use Bush lily or Christmas fern.
Carex morrowii 'Ice Dance'
Edge · Edge of bed · 1-gallon pot · 1.3 ft apart · grows 0.75–1 ft tall · Foliage plant
Can't find it? Use Mondo grass or Variegated lilyturf 'Variegata' (invasive in North Carolina: don't plant it there).
Kinds
5
Plants
23
Coverage
91%
Mulch
9 bags
Mulch: 0.67 cu yd at 3 in deep (9 bags of 2 cu ft). Plants cover about 91% of the 72 sq ft bed when mature.
Guides for zone 9
Questions and answers
- What hardiness zone is Houston, Texas in?
- Central Houston (ZIP 77002) is in zone 9b on the 2023 USDA map: the coldest night of an average winter falls between 25°F and 30°F. Suburbs can be half a zone colder.
- When is the last frost in Houston?
- Typically around Feb 10 in spring and Dec 10 in fall. These are typical dates; any one year can be two weeks earlier or later.
- When should I plant shrubs and perennials in Houston?
- In spring, late February to mid-April; in fall, late October to mid-December. Fall planting gives roots a cool, moist season to settle before summer.
- How many plants do I need for a 12 × 6 ft bed in Houston?
- Our full-sun bed list for Houston uses 18 plants of 5 kinds, plus 9 bags of mulch.
How this page was made
This page was generated from FloraVista's plant table by fixed rules: the rules engine composed each list for the city's 2023 USDA zone, its region's summers and its state's invasive lists. The frost dates and rainfall are approximate metro values. No person or chat model chose these plants, and no named expert has reviewed this page.
Data status: the plant table is awaiting review by a horticulturist. Check each plant with a local nursery or extension office before you buy.
Sources
- Missouri Botanical Garden Plant Finder, state extension services and the USDA PLANTS database (zones, size, sun, water, bloom, native range)
- ASPCA toxic and non-toxic plant lists (dog and cat toxicity)
- Rutgers NJAES and regional extension deer-resistance ratings
- State noxious-weed and invasive-plant lists and the Invasive Plant Atlas of the US
- Typical US garden-centre listings (pot size and price band)
- USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture. Data by the PRISM Climate Group, Oregon State University.
- ZIP code to state data: GeoNames (geonames.org), licensed under CC BY 4.0.
Generated . How FloraVista chooses plants
