SproutSmart
SproutSmart Intelligent Garden Sowing

Zone 5a Planting Schedule

Last spring frost: May 8th
First fall frost: Sep 30th
Growing season: 145 days

Action Plan: May in Zone 5a

Expert Note

In Zone 5a during May, keep soil evenly moist but well-drained and avoid working it when wet. Watch for late cool snaps that can slow growth, and scout weekly for aphids and flea beetles on tender leaves.

Seed & Soil

Set out warm-season starts like Tomato and Bell Pepper once nights are reliably mild, and keep transplants shaded if a cold spell hits. Direct sow quick, heat-tolerant crops like Zucchini and Cucumber while the soil is warming, and sow Basil after frost risk passes.

The Harvest

Harvest fruit and greens as they ripen: pick Bluecrop and Blueray berries frequently for best flavor. Continue harvesting apples like Honeycrisp and Golden Delicious, and take Sweet when fully colored and firm.

Planting Schedule

Add crops from the list below to build your planting schedule.
Crop Indoor Start Transplant / Direct Sow Harvest Window 🌿
Ailsa Craig Direct Sow May 1st Aug 4th – Sep 30th
Alabaster Feb 27th May 1st Aug 29th – Sep 30th
Albin Feb 27th May 1st Aug 29th – Sep 30th
Amsterdam Feb 27th May 1st Jul 25th – Sep 30th
Ananas May 1st May 15th Aug 8th – Sep 30th
Ancona Direct Sow May 1st Jun 25th – Sep 30th
Anisa Direct Sow May 1st Jun 25th – Sep 30th
Antonia Direct Sow May 1st Jun 25th – Sep 30th
Aspabroc Baby Broccoli Apr 10th May 1st Jun 25th – Sep 30th
Autumn Colors Mar 27th May 1st Jul 10th – Sep 30th
Azur Star Apr 10th May 1st Jun 25th – Sep 30th
Beijing White Feb 27th May 1st Jul 20th – Sep 30th
Belleville Sorrel Apr 3rd May 1st Jun 15th – Sep 30th
Belstar Apr 10th May 1st Jun 30th – Sep 30th
Bianca Riccia Direct Sow May 1st Jul 10th – Sep 30th
Bianca Riccia Da Taglio Direct Sow May 1st Jun 25th – Sep 30th
Bibb Apr 10th May 1st Jun 25th – Sep 30th
Bidwell Casaba May 1st May 15th Aug 18th – Sep 30th
Bilko Apr 10th May 1st Jul 5th – Sep 30th
Black Jack Direct Sow May 1st Jul 5th – Sep 30th
Black Magic Apr 10th May 1st Jun 25th – Sep 30th
Black Seeded Simpson Direct Sow May 1st Jun 15th – Sep 30th
Bloomsdale Long Standing Apr 10th May 1st Jun 10th – Sep 30th
Braddock Direct Sow May 1st Aug 19th – Sep 30th
Brilliant Mar 13th May 1st Aug 19th – Sep 30th
Broad-Leaved Batavian Apr 10th May 1st Jul 5th – Sep 30th
Bronze Arrowhead Apr 10th May 1st Jun 20th – Sep 30th
Burgess Buttercup May 1st May 15th Aug 18th – Sep 30th
Bush Champion May 1st May 15th Jul 9th – Sep 30th
Buttercrunch Direct Sow May 1st Jun 25th – Sep 30th
Buttercup May 1st May 15th Aug 18th – Sep 30th
Calabrese Green Sprouting Apr 10th May 1st Jul 15th – Sep 30th
Candy Direct Sow May 1st Aug 9th – Sep 30th
Castelfranco Direct Sow May 1st Jul 15th – Sep 30th
Catskill Apr 10th May 1st Jul 30th – Sep 30th
Champion Apr 10th May 1st Jun 30th – Sep 30th
Champion Collards Direct Sow May 1st Jun 30th – Sep 30th
Chinese Amethyst Mar 6th May 1st Jul 15th – Sep 30th
Cimmaron Apr 10th May 1st Jun 25th – Sep 30th
Clear Dawn Mar 13th May 1st Jul 30th – Sep 30th
Common Sorrel Apr 3rd May 1st Jun 10th – Sep 30th
Conquistador Feb 27th May 1st Jul 25th – Sep 30th
Cora Feb 27th May 1st Aug 9th – Sep 30th
Corsican Round May 1st May 15th Aug 18th – Sep 30th
Crystal Apple May 1st May 15th Jul 19th – Sep 30th
Darklet Feb 27th May 1st Aug 29th – Sep 30th
Darkmar 21 Apr 10th May 1st Jul 25th – Sep 30th
Dazzling Blue Apr 10th May 1st Jun 25th – Sep 30th
Delicacy White Apr 10th May 1st Jun 25th – Sep 30th
Delicious 51 May 1st May 15th Aug 3rd – Sep 30th
Di Cicco Apr 10th May 1st Jun 25th – Sep 30th
Diablo Apr 10th May 1st Aug 4th – Sep 30th
Diablo Brussels Sprout Apr 10th May 1st Jul 25th – Sep 30th
Diamant Mar 13th May 1st Aug 24th – Sep 30th
Dino Kale Apr 10th May 1st Jun 30th – Sep 30th
Dinosaur Apr 10th May 1st Jun 25th – Sep 30th
Dipper Gourd May 1st May 15th Sep 12th – Sep 30th
Doone Valley Thyme Mar 27th May 1st Jul 30th – Sep 30th
Duke Direct Sow May 1st Jun 26th – Sep 30th
Early Half Apr 10th May 1st Jul 15th – Sep 30th
Early Jersey Wakefield Apr 10th May 1st Jun 30th – Sep 30th
Early White Vienna Apr 10th May 1st Jun 25th – Sep 30th
Edonis May 1st May 15th Aug 3rd – Sep 30th
Eel River May 1st May 15th Aug 8th – Sep 30th
Eiko Direct Sow May 1st Jun 30th – Sep 30th
Evergreen Hardy White Direct Sow May 1st Jun 30th – Sep 30th
Falstaff Apr 10th May 1st Jul 30th – Sep 30th
Fine Curled Apr 10th May 1st Jun 25th – Sep 30th
Flashy Butter Oak Apr 10th May 1st Jun 20th – Sep 30th
Flashy Trout Back Apr 10th May 1st Jun 25th – Sep 30th
Florimart Feb 27th May 1st Jul 25th – Sep 30th
French Dinant Feb 27th May 1st Jul 15th – Sep 30th
French Sorrel Apr 10th May 1st Jun 15th – Sep 30th
Frisee Direct Sow May 1st Jun 25th – Sep 30th
Full Heart Batavian Apr 10th May 1st Jul 10th – Sep 30th
Galaxy Gala Direct Sow May 1st Sep 8th – Sep 30th
Galia Endive Apr 10th May 1st Jun 25th – Sep 30th
Georgia Southern Direct Sow May 1st Jul 10th – Sep 30th
Giant Flat Dutch Apr 10th May 1st Jul 25th – Sep 30th
Giant Prague Feb 27th May 1st Aug 29th – Sep 30th
Giant Red Feb 27th May 1st Jul 20th – Sep 30th
Golden Acre Apr 10th May 1st Jul 10th – Sep 30th
Golden Self Blanching Feb 27th May 1st Jul 15th – Sep 30th
Green Magic Apr 10th May 1st Jun 30th – Sep 30th
Grosse Pancaliere Apr 10th May 1st Jun 25th – Sep 30th
Gustus Brussels Sprout Apr 10th May 1st Jul 25th – Sep 30th
Ha'Ogen May 1st May 15th Aug 3rd – Sep 30th
Henderson's Charleston Wakefield Apr 10th May 1st Jul 15th – Sep 30th
Hestia Brussels Sprout Apr 10th May 1st Jul 20th – Sep 30th
Holy Kale! Blend Apr 10th May 1st Jun 20th – Sep 30th
Iceberg Apr 10th May 1st Jul 10th – Sep 30th
Ilona Feb 27th May 1st Aug 14th – Sep 30th
Jade Cross E Apr 10th May 1st Jul 30th – Sep 30th
Jade Cross E Brussels Sprout Apr 10th May 1st Jul 25th – Sep 30th
January King Apr 10th May 1st Jul 20th – Sep 30th
Jericho Apr 10th May 1st Jun 30th – Sep 30th
Joi Choi Direct Sow May 1st Jun 15th – Sep 30th
Juan Canary May 1st May 15th Aug 18th – Sep 30th
Kelvin Feb 27th May 1st Jul 30th – Sep 30th
Kolibri Apr 10th May 1st Jun 30th – Sep 30th