USDA hardiness zone
Zone 8 — 10 to 20°F
Texas (much of), Louisiana, North Florida, Oregon coast, Washington (parts) · 230-day growing season
What grows in Zone 8
Zone 8 suits the following plants based on temperature tolerance and growing-season length:
- Tomatoes (spring + fall plantings)
- Peppers (sweet + hot)
- Okra
- Sweet potatoes
- Southern peas
- Melons, watermelon
- Figs
- Pomegranates
- Citrus (in protected spots — Meyer lemon)
- Pecans
- Cool-season greens (Oct-Apr)
- Garlic (fall-planted)
Climate notes for Zone 8
Summer heat can shut down tomato production July-August. Many zone 8 gardeners do spring + fall tomato crops with a midsummer break.
Frost dates and timing
| Average last spring frost | mid- to late March |
|---|---|
| Average first fall frost | mid-November |
| Growing season length | ~230 days |
| Temperature range (F) | 10 to 20°F |
| Temperature range (C) | -12 to -7°C |
These are zone-wide averages. Local microclimates (south-facing slopes, urban heat, lakeside warmth) can shift dates by 1-2 weeks within the same zone.
Source and methodology
Temperature ranges from the USDA Plant Hardiness Zone Map (2023). Frost-date averages from NOAA Climate Data Online national averages within each zone. Plant recommendations curated by the Growli editorial team from US extension service references.
What to plant in Zone 8
Crop-by-crop sowing, transplant, and harvest dates for zone 8:
- When to plant tomatoes in zone 8
- When to plant peppers in zone 8
- When to plant basil in zone 8
- When to plant garlic in zone 8
- When to plant lettuce in zone 8
- When to plant bush beans in zone 8
- When to plant cucumbers in zone 8
- When to plant summer squash in zone 8
- When to plant peas in zone 8
- When to plant carrots in zone 8
- When to plant broccoli in zone 8
- When to plant cauliflower in zone 8
- When to plant cabbage in zone 8
- When to plant kale in zone 8
- When to plant brussels sprouts in zone 8
- When to plant collard greens in zone 8
- When to plant spinach in zone 8
- When to plant swiss chard in zone 8
- When to plant arugula in zone 8
- When to plant beets in zone 8
- When to plant radishes in zone 8
- When to plant turnips in zone 8
- When to plant parsnips in zone 8
- When to plant kohlrabi in zone 8
- When to plant onions in zone 8
- When to plant leeks in zone 8
- When to plant celery in zone 8
- When to plant asparagus in zone 8
- When to plant rhubarb in zone 8
- When to plant potatoes in zone 8
- When to plant sweet potatoes in zone 8
- When to plant eggplant in zone 8
- When to plant okra in zone 8
- When to plant sweet corn in zone 8
- When to plant pumpkins in zone 8
- When to plant winter squash in zone 8
- When to plant zucchini in zone 8
- When to plant cantaloupe in zone 8
- When to plant watermelon in zone 8
- When to plant pole beans in zone 8
- When to plant edamame in zone 8
- When to plant fava beans in zone 8
- When to plant cilantro in zone 8
- When to plant dill in zone 8
- When to plant parsley in zone 8
- When to plant oregano in zone 8
- When to plant thyme in zone 8
- When to plant sage in zone 8
- When to plant rosemary in zone 8
- When to plant chives in zone 8
Common questions
What can I plant in USDA Zone 8?
Zone 8 suits Tomatoes (spring + fall plantings), Peppers (sweet + hot), Okra, Sweet potatoes, Southern peas, Melons, watermelon, and more, based on its 230-day growing season and 10 to 20°F average minimum temperatures.
When is the last frost in Zone 8?
The average last spring frost in Zone 8 passes around mid- to late March, and the first fall frost arrives around mid-November. Wait until after the last frost date before planting tender crops outdoors.
How long is the growing season in Zone 8?
Zone 8 has roughly 230 frost-free growing days between the average last spring frost (mid- to late March) and the first fall frost (mid-November).
What is the temperature range of USDA Zone 8?
USDA Zone 8 is defined by average annual minimum temperatures of 10 to 20°F (-12 to -7°C).
When can I start planting in Zone 8?
Hardy cool-season crops can go outdoors a few weeks before the last frost (mid- to late March); tender crops should wait until 1–2 weeks after it. Start warm-season seeds indoors about 6–8 weeks before mid- to late March.