Zone 3 Planting Schedule

Now is the time to start planting your garden if you live in USDA Hardiness Zone 3.  Zone 3 stretches along the U.S.-Canada border and includes cities like International Falls, Minn and Sidney, Mont. 



Now is the time to start planting your garden if you live in USDA Hardiness Zone 3.  Zone 3 stretches along the U.S.-Canada border and includes cities like International Falls, Minn and Sidney, Mont.  This is one of the coldest regions in the country, but it still experiences a warm (sometimes hot) summer season. Most vegetables should only be planted in late spring, but a few fast-growing crops may be planted again at the end of summer for an early fall harvest.

The last average frost date in Zone 3 is between May 1 and May 30. Start plants indoors 6 weeks prior to the beginning of May, but do not transplant frost-tender plants until all threat of frost has passed. Some of the very  frost-hardy plants, like greens and root vegetables, may be planted in mid- to late-April.

What to plant and when in Zone 3 (adapted from thevegetablegarden.info):

—Crop  Type —
–Days to– Maturity —Planting— Dates

Asparagus 2nd season Apr 15 – May 1
Bean, bush 50-60 May 15 – Jul 1
Bean, pole 65-75 May 15 – Jul 1
Bean, lima 65-75 May 15
Beet 55-65 May 15 – Jun 10
Broccoli 60-80 Apr 15 – Jul 1
Cabbage 65-80 Apr 1 – May 1
Chard, Swiss 50-60 May 1
Carrot 70-80 Apr 15 – Jun 15
Cauliflower 55-60 Apr 15 or Jun 1
Collards 55-70 Apr 15
Celery 112 May 15
Cucumber 60-65 May 1 – Jun 15
Eggplant 75-90 Jun 1
EndiveGarlic

Horseradish

50-70100-120

180

Apr 15Oct 1 – Nov 1

Apr 15 – May 1

Kohlrabi 50-70 Apr 1 – 15
KaleLettuce, leaf

Lettuce, head

55-7545

60-85

Apr 15 – May 15Apr 15 – June 15; Aug 1 – 15

Apr 15 – May 1

Muskmelon 85-90 May 15 – Jun 1
Okra 55-60 Jun 1
Onion 100-120 Apr 15
Peas, gardenParsley 60-8075 Apr 10 – May 15Apr 15 – May 1
Parsnips 100-130 May 1 – 15
Pepper 65-80 Jun 1
Potato, Irish 70-90 Apr 15 – Jun 1
Potato, sweetPumpkin 90-15085-120 Jun 1May 10 – Jun 1
RadishRhubarb

Rutabaga

25-301 yr.

80-100

Apr 10 – Jun 1; Aug 1-15Apr 15 – May 1

May 15 – Jun 15

Spinach 40-45 Apr 15; Aug 1 – 15
Squash, bush 50-55 May 10 – Jun 1
Squash, winterSweet corn 85-9065-70 May 10 – Jun 1May 10 – Jul 1
Tomato 70-85 Apr 1 – 15; May 15 – 30
Turnip 45-65 Apr 15 or Aug 1
Watermelon 80-90 May 15 – Jun 1

 

Find more planting schedules by Zone>>>

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