One of the best tools that you have as a gardener to help figure out your gardening schedule is the USDA zone info. The zone information's most crucial data reveals the average last frost and the lowest expected temperature for your area.
To determine the appropriate planting time for stevia, you can utilize the USDA zone information for the 12b region.
Planting Calendar for Stevia
| Frost tolerance for stevia | Not tolerant of frost |
| When to plant | After all chance of frost has passed |
Since stevia cannot tolerate cold, you must wait until there is no risk of frost before planting it.
Visual Calendar for Stevia
Planting Calendar for Stevia in Zone 12b
Key dates to remember:
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Start seeds indoors: | Jan 1 |
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Direct sow seeds: | Jan 15 |
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Transplant starts outside: | Jan 31 |
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Summer harvest time: | Mar 1 |
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Start winter crop: | Oct 1 |
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Start over-winter: | Dec 1 |
Last Frost Date for Zone 12b
It rarely frosts in zone 12b. It might get as low as 55°F (12°C) during the coldest months of winter.
As the USDA zone information for zone 12b is only an average, the actual date of your last frost will differ annually. Since every microclimate is different, you should also watch the weather forecast closely as you get close to planting time. Watch the weather forecast before planting outside, and have frost protection ready if low temperatures are expected.
USDA Info for Zone 12b
Here is the info for USDA zone 12b.
| Average Date of Last Frost (spring) | Never |
| Average Date of First Frost (fall) | 1970-01-01 |
| Lowest Expected Low | 55°F (12°C) |
| Highest Expected Low | 60°F (15°C) |
This means that on a really cold year, the coldest it will get is 55°F (12°C). On most years you should be prepared to experience lows near 60°F (15°C).
Other Plants to Grow in Zone 12b
You may be interested in our other planting guides for zone 12b.
Vegetables in Zone 12b
- Amaranth
- Artichokes
- Arugula
- Asparagus
- Beans
- Beets
- Bok Choy
- Broccoli
- Brussels Sprouts
- Cabbage
- Cantaloupe
- Carrots
- Cauliflower
- Celery
- Chervil
- Collard Greens
- Corn
- Cornsalad
- Cucumbers
- Eggplant
- Garlic
- Ginger
- Green Onions
- Honeydew Melons
- Kale
- Kohlrabi
- Leeks
- Lettuce
- Melons
- Okra
- Onions
- Parsnips
- Peas
- Peppers
- Potatoes
- Pumpkins
- Radicchio
- Radishes
- Rhubarb
- Rutabaga
- Shallots
- Spinach
- Strawberries
- Summer Squash
- Sweet Potatoes
- Swiss Chard
- Tomatilloes
- Tomatoes
- Turnips
- Watercress
- Watermelon
- Winter Squash
- Zucchini
Herbs in Zone 12b
Flowers in Zone 12b
- Alyssum
- Amaranth
- Anemones
- Asters
- Bachelors Buttons
- Begonias
- Bells of Ireland
- Black-eyed Susans
- Bleeding Hearts
- Calendula
- Carnations
- Chinese Lanterns
- Chrysanthemums
- Clematis
- Coleus
- Columbine
- Coneflowers
- Coreopsis
- Cornflowers
- Cosmos
- Crocus
- Daffodils
- Dahlia
- Daisies
- Daylilies
- Delphiniums
- Dianthus
- Dusty Miller
- Echinacea
- Foxgloves
- Geraniums
- Hellebores
- Heuchera
- Hibiscus
- Hollyhocks
- Hostas
- Hydrangeas
- Impatiens
- Iris
- Lantana
- Lilies
- Lobelia
- Love-in-a-mist
- Lupine
- Marigolds
- Morning Glories
- Nasturtiums
- Pansies
- Peonies
- Petunias
- Phlox
- Poppies
- Portulaca
- Primrose
- Red Hot Pokers
- Roses
- Rudbeckia
- Salvia
- Shasta Daisies
- Snapdragons
- Statice
- Stocks
- Strawflowers
- Sunflowers
- Sweet Peas
- Tulips
- Verbena
- Vinca
- Violets
- Wisteria
- Yarrow
- Zinnias
USDA Zones
USDA zones are a popular way of determining which plants can grow in your area. Zones tell you when your average first and last frost date are, as well as how cold you can expect it to get in the winter.
Our site works best if you choose your zone from the list below. If you do not know your USDA zone, then you can use our zone map.
