Planting Calendar Dates
One of the myths I hear in our area is that you wait until Memorial Day and then plant the whole garden. Doing this you will miss out on some wonderful early spring crops and get fewer harvests. So how do you know when to plant what?
Vegetable crops are either cool season or warm season
crops. Seeds need a certain soil
temperature in order to germinate. Cool
season crops are further divided into hardy and semi-hardy plants. Warm season crops are divided into tender and
very tender crops.
Since last average frost differs in each planting zone, you will need that information to determine your planting calendar. Suggested planting dates are also dealing with the initial plantings. With many
crops you can make several plantings 2 weeks apart to have a continual harvest
instead of a one-time harvest. Planting dates also give a suggested time frame to start and stop planting. Depending on the actual spring
weather, the timing can be moved up a week or back a week.
The important factor in determining when to plant is the actual soil temperature at which a seed will germinate and if the soil is dry enough to work meaning it is not soggy.
Most seed packets tell you the ideal soil temperature for germination.
To find soil temperature, go outside in the afternoon and stick a regular thermometer a few inches in the ground.
The important factor in determining when to plant is the actual soil temperature at which a seed will germinate and if the soil is dry enough to work meaning it is not soggy.
Most seed packets tell you the ideal soil temperature for germination.
- With cool season crops that is between 40-75 degrees.
- Warm season crops prefer soils temperatures above 50 or 60 degrees.
To find soil temperature, go outside in the afternoon and stick a regular thermometer a few inches in the ground.
Hardy Spring Crops (Plant
as soon as the soil dries out and soil temperature is 50 degrees)
Direct seed: Peas, Radish, Spinach, Turnips Kohlrabi
Direct seed: Peas, Radish, Spinach, Turnips Kohlrabi
Artichoke, asparagus, and rhubarb are not started from seed but planted at this time also.
Rhubarb, the pie plant, is one of the earliest spring treats. |
Kale is much happier, healthier, and better tasting is planted in the right season. |
Semi-Hardy Spring Crops: (Plant a couple weeks after the hardy group) This would be around mid to late April or beginning of May depending on our not so dependable spring weather
Direct Seed:
Beets, Carrots, Cauliflower, Lettuce Parsley, Parsnip, Swiss Chard, Kale, Mustard, Mizuna, Tat Soi, Pac Choi, Chinese Cabbage, Mache or Corn Salad, Sorrel (perennial), Cilantro, Arugula
Transplant: Broccoli, Cauliflower, Cabbage, Lettuce, Kale Depending on your zone have protection in case of a late freeze. I put them under a low tunnel or have a row cover on hand to protect from frosts.
Plant potatoes April 15th thru May 1st
Lettuce transplants under a low tunnel. The forks are to keep my cats from lounging in the low tunnel. |
Mache or corn salad needs cool weather to flourish. |
Mizuna and mustard early spring greens |
Purple Viking potatoes |
Pac Choi a quick growing cabbage for stir frying. |
Tender Summer Crops
(Plant on average last frost date) May 15th in my zone. It's nice to have a way to protect crops if temperatures drop. Row covers or buckets or boxes can be used to cover seedlings at night if there is going to be a freeze.
(Plant on average last frost date) May 15th in my zone. It's nice to have a way to protect crops if temperatures drop. Row covers or buckets or boxes can be used to cover seedlings at night if there is going to be a freeze.
Direct seed: Cucumbers, Dry Beans, Snap Beans, Sweet Corn,
Popcorn, Summer Squash
Transplant: Celery, Tomatoes, Basil, Oregano, Thyme, Sage, Rosemary, French Tarragon, Marjoram
Varieties of summer squash and a delicata squash |
Silver queen sweet corn. |
Direct Seed: Muskmelons Watermelons, Lima Beans, Peppers, Winter Squash, Pumpkins
Transplants: Peppers, Tomatillos, Tomatoes, Eggplant
Tomatoes can be planted earlier if you have row covers, wall of water, or even buckets to cover if your get cold nights. Summer crops can be move up a couple weeks if the temperature is nice.
Isn't it amazing what one small seed produces! |
Varieties of heirloom including Pineapple, Old Ivory Egg, Pink German |
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