Local planting guide · Great Plains
zip 78713
Austin is in USDA hardiness zone 9a, with average winter lows of 20°F to 25°F. The local growing season runs roughly 02/20 through 12/03 (~291 days). This zip falls within the Great Plains growing region.
- USDA zone
- 9a 20°F to 25°F
- Last spring frost
- 02/20
- First fall frost
- 12/03
- Growing season
- 291 days
- Compatible crops
- 61
- Growing region
- Great Plains
Right now in Austin
Week 18 priorities
On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →
Gardening in Austin
Austin sits in USDA zone 9a, where winter temperatures rarely drop below 20°F but can reach that level in severe years. The last spring frost arrives around February 20, and the first fall frost typically occurs around December 3, creating a 291-day growing season that stretches across most of the calendar year. This extended window is Austin's greatest advantage for fruit and vegetable gardening. The long season supports both spring crops (starting in early March) and fall plantings (extending into late November), giving growers two full cycles for many vegetables. However, the variability within that season poses the real challenge. Warm spells in January or February can trigger early bloom and leaf break, leaving tender growth vulnerable to sudden hard freezes. Humidity and summer heat also drive fungal disease pressure, particularly cedar-apple rust and powdery mildew on fruit trees. Stone fruits, figs, persimmons, and pomegranates thrive despite these pressures because their dormancy timing aligns with Austin's freeze patterns.
Regional context · Great Plains
What the Great Plains brings to Austin
Continental, windy, with severe heat and cold extremes. Cold-hardy fruit and small grains north; long warm season for melons, peppers, and pecans south.
Common challenges
Issues that most often defeat home gardeners in zone 9a, drawn from the broader USDA zone profile.
- ▸ Limited stone fruit options due to insufficient chill
- ▸ Hurricane and tropical storm exposure
- ▸ Citrus disease pressure
What defeats new gardeners in Austin
Austin's climate creates three particular hazards for fruit growers. The first is the freeze-after-warmth pattern: an open winter followed by an unexpected hard frost in late February can kill the emerging flowers of peaches or apples, eliminating the entire spring crop. The second is fungal disease during the humid, warm months. Cedar-apple rust, a major issue for many apple and juniper combinations in the region, thrives when spring moisture meets warm temperatures. Powdery mildew on fig and persimmon foliage can reduce vigor if air circulation isn't adequate. The third hazard is the occasional ice storm, which can snap branches under wet snow or ice load. Variety selection and fungicide timing are the main defenses.
Crops that grow in Austin
61 crops from our catalog match zone 9a, grouped by type.
Tree fruit
12 crops
zone 9a Apple
Malus domestica
zones 3a–9a
zone 9a Peach
Prunus persica
zones 5a–9a
zone 9a Japanese Plum
Prunus salicina
zones 5b–9a
zone 9a Fig
Ficus carica
zones 7a–10b
zone 9a American Persimmon
Diospyros virginiana
zones 4b–9a
zone 9a Asian Persimmon
Diospyros kaki
zones 7a–10a
zone 9a Pomegranate
Punica granatum
zones 7b–10a
zone 9a Jujube
Ziziphus jujuba
zones 6a–9b
Berries
5 crops
Nuts
4 crops
Vegetables
31 crops
zone 9a Tomato
Solanum lycopersicum
zones 3a–10b
zone 9a Sweet Pepper
Capsicum annuum
zones 4a–10b
zone 9a Hot Pepper
Capsicum species
zones 4a–10b
zone 9a Eggplant
Solanum melongena
zones 5a–10b
zone 9a Potato
Solanum tuberosum
zones 3a–9a
zone 9a Cabbage
Brassica oleracea var. capitata
zones 3a–9b
zone 9a Broccoli
Brassica oleracea var. italica
zones 3a–9a
zone 9a Cauliflower
Brassica oleracea var. botrytis
zones 3b–9a
Herbs
9 crops
zone 9a Basil
Ocimum basilicum
zones 4a–10b
zone 9a Parsley
Petroselinum crispum
zones 3b–9b
zone 9a Cilantro / Coriander
Coriandrum sativum
zones 3b–9b
zone 9a Dill
Anethum graveolens
zones 3b–9a
zone 9a Oregano
Origanum vulgare
zones 4a–9b
zone 9a Thyme
Thymus vulgaris
zones 4a–9a
zone 9a Rosemary
Salvia rosmarinus
zones 7a–10b
zone 9a Sage
Salvia officinalis
zones 4a–9a
Plan the year
Planting calendar for Austin
Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to Austin's local frost dates.
Week ? · loading
This week in Austin, TX (zone 9a)
Quiet week in Austin, TX (zone 9a). this week is a good time to step back and plan ahead.
Nothing critical on the calendar this week.
303 bars · 61 crops
Calendar logic combines NOAA frost normals with crop-specific timing data. Local microclimate and weather always overrules the calendar; use this as a starting point.
Top pests for zone 9a
Ranked by how many crops in your zone they affect. Click through for IPM controls and signs to watch for.
Multiple species (Aphididae)
Small soft-bodied sap-sucking insects that reproduce explosively in spring. Excrete honeydew that supports sooty mold and attracts ants. Transmit viral diseases.
Odocoileus species
Whitetail and mule deer browse can devastate orchards and gardens, particularly in winter when food is scarce. Antler rub on young trunks kills saplings outright.
Meloidogyne species
Microscopic soil-dwelling worm that forms galls on roots, reducing vigor and yield.
Multiple species (Chrysomelidae)
Tiny black or bronze jumping beetles that put hundreds of small holes in seedling leaves. Most damaging on direct-seeded brassicas and young eggplant.
Tetranychus urticae
Tiny mite that feeds on leaf undersides, causing stippling and webbing during hot dry weather.
Sylvilagus and Lepus species
Cottontails and jackrabbits strip bark from young fruit trees in winter and graze tender garden vegetables year-round, especially seedlings.
Popillia japonica
Defoliating beetle introduced to North America in 1916. Skeletonizes leaves of many fruit trees, berry canes, and pecan.
Multiple species (Aleyrodidae)
Tiny white moth-like flying insects that feed on plant sap and excrete honeydew. Transmit numerous viral diseases including tomato yellow leaf curl virus.
Top diseases for zone 9a
Ranked by how many crops in your zone they affect. Click through for symptoms, controls, and resistant varieties.
Pseudoperonospora cubensis (cucurbits) and others
Water mold (oomycete, not a true fungus) that thrives in cool damp conditions. Spreads rapidly through cucurbit and brassica plantings on wind-borne spores.
Pythium and Rhizoctonia species
Soil-borne complex of water molds and fungi that kill seedlings before or shortly after emergence. The single most common cause of seed-starting failures.
Cucumber mosaic virus, Tobacco mosaic virus, and others
Family of plant viruses producing mottled yellow-and-green leaf patterns. Vectored primarily by aphids; some are seed-transmitted or spread by handling tools and tobacco products.
Sclerotium rolfsii
Soil-borne fungal disease most damaging in warm humid Southern conditions. White mycelial fans and small mustard-seed-sized sclerotia at the soil line are diagnostic.
Fusarium oxysporum
Soil-borne fungal disease that plugs vascular tissue and kills affected plants. Persists in soil for many years; impossible to eliminate once established.
Calcium deficiency physiological disorder
Not a true disease but a calcium-uptake disorder caused by inconsistent soil moisture during fruit development. The dominant cause of damaged first-fruit on home tomato plantings.
Verticillium dahliae
Soil-borne fungal disease similar to fusarium wilt but with broader host range and cooler temperature optimum. Persists in soil for 10+ years.
Plasmodiophora brassicae
Soil-borne disease causing characteristic distorted club-shaped roots on brassicas. Persists in soil for 10-20 years; the dominant brassica pathogen in acidic poorly-drained soils.
Companion planting suggestions
Beneficial pairings drawn from companion data, filtered to crops that grow in zone 9a.
- Peach + Garlic
Garlic planted around peach trees suppresses peach borer and provides general fungal-pressure reduction.
- Fig + Rosemary
Rosemary tolerates the dry sites figs prefer and provides aromatic pest deterrence.
- Jujube + Thyme
Thyme groundcover suits jujube's low-water profile and deters cabbage moth and aphid populations.
- Rabbiteye Blueberry + Thyme
Thyme tolerates the acidic soil and full sun rabbiteyes need and supports beneficial insect populations.
- Blackberry + Garlic
Garlic between blackberry rows reduces fungal pressure on canes during humid weather.
- Everbearing Strawberry + Thyme
Creeping thyme suppresses weeds between strawberry plants without competing for moisture or nutrients.
Soil types reference
Soil texture and pH decide what grows easily on your specific lot. Find the closest match below for crop recommendations and amendment guidance.
Practical tips for Austin
Start tender crops late enough to avoid the February frost. Though February 20 is the average last spring frost date, fruit-tree blossoms set in late February or early March remain at risk of damage. Delaying fertilizer applications until mid-March can slow early growth and reduce exposure. Manage humidity and fungal pressure with air circulation. Prune to an open canopy structure, space trees 15 to 20 feet apart if space allows, and consider dormant-oil and sulfur sprays on susceptible crops like apples and figs in early spring and again in late summer before fall humidity spikes. Capitalize on the long season with succession plantings for vegetables. Tomatoes, peppers, and other warm-season crops can be started in early March for an April-to-August main season, and again in late July for a September-to-November fall crop, using the first-frost date of December 3 as the deadline.
Frequently asked questions
- What fruit trees grow most reliably in Austin?
Figs, persimmons (both American and Asian varieties), pomegranates, and Japanese plums are the most forgiving choices for zone 9a. They tolerate the heat, are less prone to the late-frost damage that peaches and apples risk, and require less pest management in Austin's humid climate.
- When should I plant tomatoes in Austin?
For spring harvest, start seeds indoors in late January and transplant in early March, after the average last frost date of February 20. For a fall crop, sow seed in late July or transplant starts in early August to harvest before the first frost around December 3.
- What's the biggest weather risk for gardeners in Austin?
A late-winter warm spell followed by a hard freeze in late February is the primary hazard. Tender fruit-tree blossoms and early leaf growth are killed, wiping out the spring crop. Secondary risks include fungal disease from humidity and occasional ice storms.
- Can I grow apples in Austin?
Apples are possible but require careful variety selection and pest management. Choose low-chill varieties (300-400 chill hours) suited to zone 9a, space trees for air circulation to reduce fungal pressure, and expect annual fungicide applications to combat cedar-apple rust and other diseases.
- How long is the growing season in Austin?
The growing season is 291 days, running from around February 20 to December 3. This is significantly longer than northern zones, allowing two full plantings of warm-season crops and several cycles of cool-season vegetables.
- Should I worry about winter cold damaging fruit trees?
Winter cold is rarely the issue; zone 9a lows of 20-25°F are well within the hardiness range of most commercial fruit trees. The real risk is frost damage to early blooms and tender spring growth triggered by warm spells in February.
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Frost data: NOAA Climate Normals 1991-2020, station USW00013958. Local microclimates can shift these dates by a week or more.
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