Zone 9b Planting Calendar
Zone 9b has an average minimum temperature range of 25°F to 30°F. The average last spring frost is around January 25 and the first fall frost is around December 20, giving you approximately 329 days in the growing season.
There are 179 plants in our database that grow well in Zone 9b.
Zone 9b
Year-round
329 days
Last Spring Frost
January 25
➔
329 growing days
➔
First Fall Frost
December 20
Zone 9b
Frost Countdown
--
Loading...
Last Frost: Jan 25
First Frost: Dec 20
States That Include Zone 9b
Many states span multiple zones. The states highlighted below contain areas classified as Zone 9b.
Growing Season Comparison
Growing Season by Zone
Zone 10a
Jan 1 – Dec 31
Zone 1a
Jun 15 – Aug 15
Zone 1b
Jun 7 – Aug 25
Zone 2a
May 30 – Sep 1
Zone 2b
May 22 – Sep 10
Zone 3a
May 15 – Sep 15
Zone 4a
May 6 – Sep 28
Zone 5a
Apr 25 – Oct 8
Zone 5b
Apr 18 – Oct 13
Zone 6a
Apr 10 – Oct 20
Zone 6b
Apr 3 – Oct 25
Zone 7a
Mar 25 – Nov 1
Zone 7b
Mar 18 – Nov 8
Zone 8a
Mar 8 – Nov 18
Zone 8b
Feb 25 – Nov 28
Zone 9a
Feb 10 – Dec 10
Zone 9b ◄
Jan 25 – Dec 20
0
90
180
270
365 days
What to Plant Right Now in Zone 9b
Based on April 2026 planting windows.
All Planting Windows at a Glance
This chart shows when to start, transplant, sow, and harvest every plant in Zone 9b.
J
F
M
A
M
J
J
A
S
O
N
D
Start Indoors
Transplant Outdoors
Direct Sow
Fall Sowing
Harvest
Vegetables for Zone 9b
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Acorn Squash | Dec 28 | Jan 25 | Feb 1 | Apr 26 – May 31 | 80–100 |
| Amaranth | Dec 14 | Jan 25 | Feb 1 | May 3 – Jun 21 | 90–120 |
| Artichoke | — | — | Feb 8 | Jun 14 – Aug 23 | 120–180 |
| Arugula | Dec 28 | Jan 4 | Jan 25 | Mar 1 – May 3 | 30–50 |
| Asparagus | — | — | Feb 8 | — | 730–1095 |
| Beets | — | Jan 4 | — | Mar 1 – Mar 29 | 50–70 |
| Belgian Endive | Dec 28 | Jan 4 | Jan 25 | May 17 – Jul 12 | 110–150 |
| Bitter Melon | Dec 14 | Jan 25 | Feb 1 | Apr 5 – May 17 | 60–90 |
| Black Beans | — | Feb 1 | — | May 3 – Jun 21 | 90–120 |
| Bok Choy | Dec 28 | Jan 4 | Jan 25 | Mar 8 – Apr 12 | 40–60 |
| Broccoli | Dec 28 | Jan 4 | Jan 25 | Mar 29 – May 10 | 60–90 |
| Broccoli Rabe | Dec 28 | Jan 4 | Jan 25 | Mar 8 – Apr 12 | 40–60 |
| Brussels Sprouts | Dec 28 | Jan 4 | Jan 25 | Apr 26 – Jun 21 | 90–130 |
| Butternut Squash | Dec 28 | Jan 25 | Feb 1 | May 3 – Jun 7 | 85–110 |
| Cabbage | Dec 28 | Jan 4 | Jan 25 | Mar 29 – May 24 | 60–100 |
| Calabash | Dec 14 | Jan 25 | Feb 1 | Apr 26 – Jun 21 | 80–120 |
| Cardoon | — | — | Feb 8 | Jun 14 – Jul 26 | 120–150 |
| Carrots | — | Jan 4 | — | Mar 8 – Apr 12 | 60–80 |
| Cauliflower | Dec 28 | Jan 4 | Jan 25 | Mar 22 – May 24 | 55–100 |
| Celeriac | Dec 28 | Jan 4 | Jan 25 | May 10 – Jun 14 | 100–120 |
| Celery | Dec 28 | Jan 4 | Jan 25 | Apr 19 – Jun 14 | 80–120 |
| Celtuce | Dec 28 | Jan 4 | Jan 25 | Mar 29 – May 10 | 60–90 |
| Chard | Dec 28 | Jan 4 | Jan 25 | Mar 22 – May 10 | 50–60 |
| Chayote | Dec 14 | Jan 25 | Feb 1 | Jun 7 – Aug 16 | 120–180 |
| Chickpeas | Dec 28 | Jan 4 | Jan 25 | Apr 19 – May 31 | 80–110 |
| Chicory | Dec 28 | Jan 4 | Jan 25 | Mar 29 – May 10 | 60–85 |
| Chinese Cabbage | Dec 28 | Jan 4 | Jan 25 | Mar 22 – Apr 19 | 50–70 |
| Christmas Lima Beans | Dec 14 | Jan 25 | Feb 1 | Apr 26 – May 31 | 80–100 |
| Collard Greens | Dec 28 | Jan 4 | Jan 25 | Mar 22 – May 24 | 55–75 |
| Corn | — | Feb 1 | — | Apr 5 – May 31 | 60–100 |
| Cowpeas | — | Feb 1 | — | Apr 5 – May 17 | 60–90 |
| Cress | Dec 28 | Jan 4 | Jan 25 | Feb 8 – Mar 1 | 14–21 |
| Crookneck Squash | Dec 28 | Jan 25 | Feb 1 | Mar 22 – Apr 19 | 45–60 |
| Crosne | — | Jan 4 | — | Jun 7 – Aug 9 | 150–200 |
| Cucumber | Dec 28 | Jan 25 | Feb 1 | Mar 29 – May 24 | 50–70 |
| Daikon | — | Jan 4 | — | Mar 1 – Mar 29 | 50–70 |
| Delicata Squash | Dec 28 | Jan 25 | Feb 1 | Apr 26 – May 31 | 80–100 |
| Edamame | — | Feb 1 | — | Apr 19 – May 31 | 75–100 |
| Eggplant | Dec 14 | Jan 25 | Feb 1 | Apr 12 – Jun 14 | 65–85 |
| Endive | Dec 28 | Jan 4 | Jan 25 | Mar 15 – Apr 19 | 45–65 |
| Escarole | Dec 28 | Jan 4 | Jan 25 | Mar 22 – Apr 19 | 50–70 |
| Fava Beans | Dec 28 | Jan 4 | Jan 25 | Apr 12 – May 24 | 75–100 |
| Fennel | Dec 14 | Jan 25 | Feb 1 | Apr 5 – May 17 | 60–90 |
| Garlic | — | — | — | — | 90–240 |
| Ginger | Dec 14 | Jan 25 | Feb 1 | Oct 4 – Nov 29 | 240–300 |
| Green Beans | — | Feb 1 | — | Mar 29 – May 24 | 50–65 |
| Horseradish | — | — | Feb 8 | Jun 14 – Aug 23 | 120–180 |
| Hot Peppers | Dec 14 | Jan 25 | Feb 1 | Apr 12 – Jul 19 | 70–120 |
| Hubbard Squash | Dec 28 | Jan 25 | Feb 1 | May 17 – Jun 21 | 100–120 |
| Jicama | Dec 14 | Jan 25 | Feb 1 | Jun 7 – Aug 16 | 120–180 |
| Kabocha | Dec 28 | Jan 25 | Feb 1 | May 3 – May 31 | 85–100 |
| Kai Lan | Dec 28 | Jan 4 | Jan 25 | Mar 15 – Apr 12 | 45–60 |
| Kale | Dec 28 | Jan 4 | Jan 25 | Mar 22 – May 17 | 50–70 |
| Kidney Beans | — | Feb 1 | — | May 3 – Jun 7 | 85–110 |
| Kohlrabi | Dec 28 | Jan 4 | Jan 25 | Mar 15 – Apr 19 | 45–65 |
| Komatsuna | Dec 28 | Jan 4 | Jan 25 | Mar 1 – Apr 5 | 35–50 |
| Leeks | Dec 28 | Jan 4 | Jan 25 | Apr 26 – Jul 12 | 90–150 |
| Lentils | Dec 28 | Jan 4 | Jan 25 | Apr 19 – May 31 | 80–110 |
| Lettuce | Dec 28 | Jan 4 | Jan 25 | Mar 1 – May 10 | 30–60 |
| Lima Beans | — | Feb 1 | — | Apr 5 – May 17 | 60–90 |
| Loofah | Dec 14 | Jan 25 | Feb 1 | May 17 – Jul 19 | 100–150 |
| Luffa | Dec 14 | Jan 25 | Feb 1 | May 3 – Jul 19 | 90–150 |
| Mache | Dec 28 | Jan 4 | Jan 25 | Mar 8 – Apr 12 | 40–60 |
| Malabar Spinach | Dec 14 | Jan 25 | Feb 1 | Mar 29 – Apr 26 | 55–70 |
| Melon | Dec 28 | Jan 25 | Feb 1 | Apr 12 – May 31 | 70–100 |
| Microgreens | Dec 28 | Jan 4 | Jan 25 | Feb 1 – Mar 1 | 7–21 |
| Mitsuba | Dec 28 | Jan 4 | Jan 18 | Mar 15 – May 10 | 50–70 |
| Mizuna | Dec 28 | Jan 4 | Jan 25 | Mar 1 – Mar 29 | 30–45 |
| Mustard Greens | Dec 28 | Jan 4 | Jan 25 | Mar 1 – May 3 | 30–50 |
| Napa Cabbage | Dec 28 | Jan 4 | Jan 25 | Mar 22 – Apr 26 | 55–75 |
| New Zealand Spinach | Dec 14 | Jan 25 | Feb 1 | Mar 29 – Apr 26 | 55–70 |
| Okra | Dec 14 | Jan 25 | Feb 1 | Mar 29 – May 24 | 50–65 |
| Onion | Dec 28 | Jan 4 | Jan 25 | Apr 26 – Jun 14 | 90–120 |
| Pac Choi | Dec 28 | Jan 4 | Jan 25 | Mar 8 – Apr 5 | 40–55 |
| Parsnip | — | Jan 4 | — | Apr 19 – May 31 | 100–130 |
| Patty Pan Squash | Dec 28 | Jan 25 | Feb 1 | Mar 22 – Apr 19 | 45–60 |
| Peas | Dec 28 | Jan 4 | Jan 25 | Mar 22 – May 17 | 55–70 |
| Peppers | Dec 14 | Jan 25 | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Pole Beans | Dec 14 | Jan 25 | Feb 1 | Mar 29 – May 24 | 55–70 |
| Potatoes | Dec 14 | Jan 25 | Feb 1 | Apr 12 – Jun 21 | 70–120 |
| Pumpkin | Dec 28 | Jan 25 | Feb 1 | May 3 – Jun 21 | 85–120 |
| Purslane | Dec 28 | Jan 4 | Jan 25 | Mar 8 – Apr 12 | 40–60 |
| Radicchio | Dec 28 | Jan 4 | Jan 25 | Mar 29 – May 3 | 60–80 |
| Radish | — | Jan 4 | — | Feb 1 – Feb 22 | 22–35 |
| Romanesco | Dec 28 | Jan 4 | Jan 25 | Apr 12 – May 24 | 75–100 |
| Rutabaga | — | Jan 4 | — | Mar 29 – May 3 | 80–100 |
| Salsify | — | Jan 4 | — | Apr 19 – May 31 | 100–130 |
| Savoy Cabbage | Dec 28 | Jan 4 | Jan 25 | Apr 5 – May 31 | 70–110 |
| Scallions | Dec 28 | Jan 4 | Jan 25 | Mar 22 – Apr 19 | 50–70 |
| Scarlet Runner Beans | Dec 14 | Jan 25 | Feb 1 | Apr 5 – May 10 | 60–80 |
| Shallot | Dec 28 | Jan 4 | Jan 25 | Apr 26 – Jun 14 | 90–120 |
| Shiso | Dec 14 | Feb 1 | Feb 1 | Mar 29 – May 24 | 50–70 |
| Snap Peas | Dec 14 | Jan 25 | Feb 1 | Mar 29 – May 24 | 55–70 |
| Snow Peas | Dec 28 | Jan 4 | Jan 25 | Mar 22 – May 17 | 50–65 |
| Soybeans | — | Feb 1 | — | Apr 26 – Jun 21 | 80–120 |
| Spaghetti Squash | Dec 28 | Jan 25 | Feb 1 | May 3 – May 31 | 85–100 |
| Spinach | Dec 28 | Jan 4 | Jan 25 | Mar 1 – May 3 | 35–50 |
| Squash (Summer) | Dec 28 | Jan 25 | Feb 1 | Mar 22 – May 24 | 45–65 |
| Squash (Winter) | Dec 28 | Jan 25 | Feb 1 | Apr 26 – Jun 21 | 80–120 |
| Sunchoke | — | — | Feb 8 | May 31 – Jul 26 | 110–150 |
| Sunflower | Dec 14 | Jan 25 | Feb 1 | Apr 12 – May 31 | 70–100 |
| Sweet Corn | — | Feb 1 | — | Apr 5 – May 17 | 60–90 |
| Sweet Potatoes | Dec 14 | Jan 25 | Feb 1 | May 3 – Jun 21 | 90–120 |
| Tatsoi | Dec 28 | Jan 4 | Jan 25 | Mar 1 – Apr 5 | 35–50 |
| Tomatillo | Dec 14 | Jan 25 | Feb 1 | Apr 5 – Jun 14 | 60–85 |
| Tomatoes | Dec 14 | Jan 25 | Feb 1 | Apr 5 – Jun 14 | 60–85 |
| Turmeric | Dec 14 | Jan 25 | Feb 1 | Oct 4 – Nov 29 | 240–300 |
| Turnip | — | Jan 4 | — | Feb 15 – Mar 22 | 40–60 |
| Watercress | Dec 28 | Jan 4 | Jan 25 | Mar 8 – Apr 12 | 40–60 |
| Watermelon | Dec 28 | Jan 25 | Feb 1 | Apr 12 – May 31 | 70–100 |
| Wax Beans | — | Feb 1 | — | Mar 29 – May 24 | 50–65 |
| Winter Melon | Dec 14 | Jan 25 | Feb 1 | May 3 – Jun 21 | 90–120 |
| Yam | Dec 14 | Jan 25 | Feb 1 | Aug 2 – Nov 29 | 180–330 |
| Yard Long Beans | Dec 14 | Jan 25 | Feb 1 | Mar 29 – May 10 | 55–80 |
| Zucchini | Dec 28 | Jan 25 | Feb 1 | Mar 22 – May 17 | 45–60 |
Fruits for Zone 9b
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Feb 8 | May 10 – Aug 23 | 90–180 |
| Blackberries | — | — | Feb 8 | — | 365–730 |
| Boysenberries | — | — | Feb 8 | — | 365–730 |
| Cantaloupe | — | — | Feb 8 | Apr 19 – May 24 | 70–90 |
| Che Fruit | — | — | Feb 8 | — | 1095–1825 |
| Dragon Fruit | — | — | Feb 8 | — | 365–730 |
| Elderberries | — | — | Feb 8 | — | 730–1095 |
| Figs | — | — | Feb 8 | — | 730–1825 |
| Goji Berries | — | — | Feb 8 | — | 730–1095 |
| Grapes | — | — | Feb 8 | — | 730–1095 |
| Ground Cherry | — | — | Feb 8 | Apr 19 – Jun 14 | 65–80 |
| Guava | — | — | Feb 8 | — | 365–730 |
| Honeydew | — | — | Feb 8 | May 3 – Jun 14 | 80–110 |
| Kiwi | — | — | Feb 8 | — | 1095–1825 |
| Loquat | — | — | Feb 8 | — | 730–1825 |
| Mulberries | — | — | Feb 8 | — | 730–1825 |
| Passion Fruit | — | — | Feb 8 | — | 365–545 |
| Pawpaw | — | — | Feb 8 | — | 1095–2555 |
| Persimmon | — | — | Feb 8 | — | 1095–2555 |
| Pomegranate | — | — | Feb 8 | — | 730–1095 |
| Quince | — | — | Feb 8 | — | 1095–1825 |
| Raspberries | — | — | Feb 8 | — | 365–730 |
| Serviceberries | — | — | Feb 8 | — | 730–1095 |
| Strawberries | — | — | Feb 8 | May 10 – Dec 6 | 90–365 |
Herbs for Zone 9b
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Anise | Dec 28 | Jan 4 | Jan 18 | Apr 19 – Jul 5 | 90–120 |
| Basil | Dec 14 | Feb 1 | Feb 1 | Mar 29 – May 31 | 50–75 |
| Bee Balm | — | — | Feb 1 | May 3 – Jul 19 | 90–120 |
| Borage | Dec 28 | Jan 4 | Jan 18 | Mar 15 – May 3 | 50–60 |
| Caraway | Dec 28 | Jan 4 | Jan 18 | — | 365–450 |
| Catnip | — | — | Feb 1 | Apr 5 – Jun 7 | 60–80 |
| Chamomile | Dec 28 | Jan 4 | Jan 18 | Mar 22 – May 31 | 60–90 |
| Chervil | Dec 28 | Jan 4 | Jan 18 | Mar 1 – May 3 | 40–60 |
| Chives | — | — | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Cilantro | Dec 28 | Jan 4 | Jan 18 | Mar 1 – May 3 | 40–60 |
| Comfrey | — | — | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Cumin | Dec 28 | Jan 4 | Jan 18 | May 3 – Jul 5 | 100–120 |
| Dill | Dec 28 | Jan 4 | Jan 18 | Mar 1 – May 3 | 40–60 |
| Echinacea | — | — | Feb 1 | Jun 7 – Sep 13 | 120–180 |
| Epazote | Dec 14 | Feb 1 | Feb 1 | Mar 22 – May 17 | 45–60 |
| Fennel (herb) | Dec 28 | Jan 4 | Jan 18 | Mar 22 – May 31 | 60–90 |
| Feverfew | — | — | Feb 1 | May 3 – Jul 19 | 90–120 |
| Garlic Chives | — | — | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Horehound | — | — | Feb 1 | Apr 19 – Jun 14 | 75–90 |
| Hyssop | — | — | Feb 1 | Apr 12 – Jun 14 | 70–90 |
| Lavender | — | — | Feb 1 | May 3 – Oct 4 | 90–200 |
| Lemon Balm | — | — | Feb 1 | Apr 5 – May 24 | 60–70 |
| Lemon Thyme | — | — | Feb 1 | Apr 12 – Jun 14 | 70–90 |
| Lemon Verbena | Dec 14 | Feb 1 | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Lemongrass | Dec 14 | Feb 1 | Feb 1 | Apr 19 – Jul 19 | 75–120 |
| Marjoram | — | — | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Mint | — | — | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Oregano | — | — | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Parsley | Dec 28 | Jan 4 | Jan 18 | Mar 22 – May 24 | 60–80 |
| Rosemary | — | — | Feb 1 | Apr 26 – Sep 13 | 80–180 |
| Rue | — | — | Feb 1 | Apr 12 – Jun 14 | 70–90 |
| Sage | — | — | Feb 1 | Apr 19 – Jun 14 | 75–90 |
| Savory | — | — | Feb 1 | Mar 29 – May 24 | 50–70 |
| Sorrel | Dec 28 | Jan 4 | Jan 18 | Mar 1 – May 3 | 40–60 |
| Stevia | Dec 14 | Feb 1 | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Tarragon | — | — | Feb 1 | Apr 5 – Jun 14 | 60–90 |
| Thai Basil | Dec 14 | Feb 1 | Feb 1 | Mar 29 – May 31 | 50–75 |
| Thyme | — | — | Feb 1 | Apr 12 – Jun 14 | 70–90 |
| Valerian | — | — | Feb 1 | Jun 7 – Sep 13 | 120–180 |
| Yarrow | — | — | Feb 1 | May 3 – Jul 19 | 90–120 |
Recommended for Your Garden
Garden Shade Cloth
$15-35
Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.
Seed Starting Trays
$8-20
Start seeds indoors with reusable cell trays and humidity domes.
Soil Test Kit
$12-25
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Frequently Asked Questions
What can I grow in Zone 9b?
Zone 9b supports 179 plants in our database including vegetables, herbs, fruits, and flowers. With a 329-day growing season (last frost ~January 25, first frost ~December 20), you can grow most common garden crops with proper timing.
What is Zone 9b?
USDA Zone 9b has an average annual minimum temperature of 25°F to 30°F.
When is the last frost in Zone 9b?
The average last spring frost in Zone 9b is approximately January 25. The first fall frost averages around December 20, giving a growing season of about 329 days. These dates are based on 50% probability — plan for some year-to-year variation.
