What to plant in March in zone 9
USDA zone 9 has winter lows of 20 to 30°F, a typical last spring frost around Feb 20 and first fall frost around Nov 30, roughly 280 frost-free days. March is the "main planting month" there.
63 crops have a sowing or planting window this month, including celeriac, celery, oregano, sage, thyme, dill - and 43 of those windows close during March.
Dates come from the typical frost dates of USDA zone 9 (last frost Feb 20, first frost Nov 30). A zone covers many climates, so for dates tuned to your town use the planting calendar, or pick your state below.
Zone 9: planting activity through the year
Last chance in March
Celeriac (transplant outdoors, by Mar 2) · Celery (transplant outdoors, by Mar 2) · Oregano (transplant outdoors, by Mar 2) · Sage (transplant outdoors, by Mar 2) · Thyme (transplant outdoors, by Mar 2) · Dill (direct sow (spring), by Mar 6) · Sunflower (direct sow (spring), by Mar 6) · Ground Cherry (transplant outdoors, by Mar 9) · New Zealand Spinach (transplant outdoors, by Mar 9) · Peanut (transplant outdoors, by Mar 9) · Pumpkin (transplant outdoors, by Mar 9) · Rosemary (transplant outdoors, by Mar 9) · Shiso (Perilla) (transplant outdoors, by Mar 9) · Summer Savory (transplant outdoors, by Mar 9) · Sunflower (transplant outdoors, by Mar 9) · Sweet Marjoram (transplant outdoors, by Mar 9) · Tomatillo (transplant outdoors, by Mar 9) · Tomato (transplant outdoors, by Mar 9) · Winter Squash (transplant outdoors, by Mar 9) · Zucchini / Summer Squash (transplant outdoors, by Mar 9) · Amaranth (Leaf) (direct sow (spring), by Mar 13) · Bush Bean (direct sow (spring), by Mar 13) · Edamame (Soybean) (direct sow (spring), by Mar 13) · New Zealand Spinach (direct sow (spring), by Mar 13) · Pole Bean (direct sow (spring), by Mar 13) · Pumpkin (direct sow (spring), by Mar 13) · Shiso (Perilla) (direct sow (spring), by Mar 13) · Summer Savory (direct sow (spring), by Mar 13) · Sweet Corn (direct sow (spring), by Mar 13) · Sweet Marjoram (direct sow (spring), by Mar 13) · Winter Squash (direct sow (spring), by Mar 13) · Zucchini / Summer Squash (direct sow (spring), by Mar 13) · Basil (transplant outdoors, by Mar 16) · Bell Pepper (transplant outdoors, by Mar 16) · Bitter Melon (transplant outdoors, by Mar 16) · Cantaloupe / Muskmelon (transplant outdoors, by Mar 16) · Chili Pepper (transplant outdoors, by Mar 16) · Cucamelon (transplant outdoors, by Mar 16) · Cucumber (transplant outdoors, by Mar 16) · Luffa (Loofah Gourd) (transplant outdoors, by Mar 16) · Malabar Spinach (transplant outdoors, by Mar 16) · Okra (transplant outdoors, by Mar 16) · Watermelon (transplant outdoors, by Mar 16)
Sow or plant outdoors in March (60)
Direct sowing and transplanting windows that fall in March, most urgent first. Windows are one-to-two-week bands around the ideal date.
| Crop | What to do | Window | This month |
|---|---|---|---|
| Celeriac | Transplant outdoors | Feb 13 – Mar 2 | Last chance - ends Mar 2 |
| Celery | Transplant outdoors | Feb 13 – Mar 2 | Last chance - ends Mar 2 |
| Oregano | Transplant outdoors | Feb 13 – Mar 2 | Last chance - ends Mar 2 |
| Sage | Transplant outdoors | Feb 13 – Mar 2 | Last chance - ends Mar 2 |
| Thyme | Transplant outdoors | Feb 13 – Mar 2 | Last chance - ends Mar 2 |
| Dill | Direct sow (spring) | Feb 15 – Mar 6 | Last chance - ends Mar 6 |
| Sunflower | Direct sow (spring) | Feb 15 – Mar 6 | Last chance - ends Mar 6 |
| Ground Cherry | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| New Zealand Spinach | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Peanut | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Pumpkin | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Rosemary | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Shiso (Perilla) | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Summer Savory | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Sunflower | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Sweet Marjoram | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Tomatillo | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Tomato | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Winter Squash | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Zucchini / Summer Squash | Transplant outdoors | Feb 20 – Mar 9 | Last chance - ends Mar 9 |
| Amaranth (Leaf) | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Bush Bean | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Edamame (Soybean) | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| New Zealand Spinach | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Pole Bean | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Pumpkin | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Shiso (Perilla) | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Summer Savory | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Sweet Corn | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Sweet Marjoram | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Winter Squash | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Zucchini / Summer Squash | Direct sow (spring) | Feb 22 – Mar 13 | Last chance - ends Mar 13 |
| Basil | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Bell Pepper | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Bitter Melon | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Cantaloupe / Muskmelon | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Chili Pepper | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Cucamelon | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Cucumber | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Luffa (Loofah Gourd) | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Malabar Spinach | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Okra | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Watermelon | Transplant outdoors | Feb 27 – Mar 16 | Last chance - ends Mar 16 |
| Basil | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Bitter Melon | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Cantaloupe / Muskmelon | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Chayote | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Cucamelon | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Cucumber | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Lima Bean | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Luffa (Loofah Gourd) | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Malabar Spinach | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Okra | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Peanut | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Southern Pea (Cowpea) | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Watermelon | Direct sow (spring) | Mar 1 – Mar 20 | Mar 1 – Mar 20 |
| Eggplant | Transplant outdoors | Mar 6 – Mar 23 | Mar 6 – Mar 23 |
| Ginger | Transplant outdoors | Mar 6 – Mar 23 | Mar 6 – Mar 23 |
| Sweet Potato | Transplant outdoors | Mar 6 – Mar 23 | Mar 6 – Mar 23 |
| Turmeric | Transplant outdoors | Mar 6 – Mar 23 | Mar 6 – Mar 23 |
Harvesting in March
First harvests expected this month from crops sown or planted on time earlier in the season.
Main planting month: March garden jobs in zone 9
- With the average last frost on February 20, 42 crops can go in outdoors this month, including celeriac, celery, oregano, sage.
- Transplant on a cloudy afternoon and water in well - see transplanting seedlings without shock.
- Once the soil has warmed, lay mulch around established plants to hold moisture and smother weeds.
- Sow quick crops little and often - lettuce, radish and beans every two to three weeks give a steady harvest instead of a glut (succession planting).
Questions gardeners ask
What can I plant in zone 9 in March?
63 crops have a window in March: celeriac, celery, oregano, sage, thyme, dill, sunflower, ground cherry, new zealand spinach, peanut and more. The tables above give the exact dates for each.
When are the last and first frost in zone 9?
The typical last spring frost is around Feb 20 and the first fall frost around Nov 30. These are broad zone averages, so your own town can be a week or two either side: look yours up by ZIP code in the planting calendar.
What can I harvest in zone 9 in March?
From plantings made on time: spinach, arugula, tatsoi, mizuna, mustard greens, mache (corn salad), lettuce, turnip, rapini (broccoli raab), chervil.
March in states with land in zone 9
Zone 9 in other months
What to plant in March in other zones
Dates are computed from the zone’s typical frost dates and each crop’s timing in our crop database. Your garden may be a week or two either side.