Planting Guide

USDA Zone 3
Last Frost
May 12
First Frost
Sep 25
Growing Season
110-130 days
Zone 3 Tip: Short season. Prioritize early-maturing varieties. Heavy mulch helps extend season.
Fruiting Vegetables
SeedMethodStart IndoorsDirect Sow / TransplantHarvest By
Roma Tomatoes Indoor Mar 31 Apr 28 Sep 6
Jalapeno Peppers Indoor Mar 17 Apr 28 Sep 10
California Wonder Peppers Indoor Mar 17 Apr 28 Sep 15
Crimson Sweet Watermelon
Tight season. Consider earlier-maturing variety.
Both Apr 28 May 12 or earlier Aug 14
Pickling Cucumbers Both Apr 28 May 12 or earlier Jul 15
Dark Green Zucchini Both Apr 28 May 12 or earlier Jul 10
Jack-o-Lantern Pumpkin Sow May 12 Aug 10
Luffa Sponge Gourd
May not fully mature. Start indoors early.
Sow Apr 28 May 12 Aug 24
Herbs
SeedMethodStart IndoorsDirect Sow / TransplantHarvest By
Large Leaf Basil Indoor Apr 14 Apr 28 Jul 24
Coriander (Cilantro) Sow Apr 21 May 12 Jul 27
Parsley Sow Apr 21 May 12 Aug 1
Catnip Sow May 12 Jul 11
Root Vegetables
SeedMethodStart IndoorsDirect Sow / TransplantHarvest By
Sugar Beets Sow May 12 Jul 1
Bulls Blood Beets Sow May 12 Jul 1
Snowball Turnips Sow Apr 28 Jul 1
Scarlett Nantes Carrots Sow May 12 Jul 11
Legumes & Corn
SeedMethodStart IndoorsDirect Sow / TransplantHarvest By
Provider Green Bush Beans Sow May 12 Jul 1
Sugar Lace Snap Peas Sow Apr 28 Jul 11
Yellow Dent Corn
Short season. Choose early dent corn varieties.
Sow May 12 Jul 31
Leafy Greens & Brassicas
SeedMethodStart IndoorsDirect Sow / TransplantHarvest By
Utah Celery Indoor Mar 3 Apr 28 Oct 19
Butter Crunch Lettuce Both Apr 14 May 12 or earlier Jul 29
Red Russian Kale Sow Apr 28 Jul 6
Long Island Brussels Sprouts Indoor Mar 17 Apr 28 Oct 5
White Bunching Onion Sow Apr 28 Aug 20
Tree Seeds
Japanese Maple
Spring/Fall
Fall preferred. Shade when young.
Red Cedar
Fall
Bare-root in dormant season.
Southern Yew
Spring
Slow grower. Good hedge plant.
Chinese Elm
Spring
Drought-tolerant once established.