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: August in Zone 5a

Expert Note

August in Zone 5a means heat and irregular rain. Keep soil evenly moist with deep watering, mulch to reduce evaporation, and watch for aphids, spider mites, and late blight on susceptible foliage; remove diseased leaves promptly and water at the base.

Seed & Soil

Direct sow or transplant warm-season holdovers like Zucchini and Cucumber for late production, and start quick herbs such as Basil and Thai Basil while temperatures stay high. If you have space, set out Bell Pepper only if nights are still mild enough for growth.

The Harvest

Harvest Zucchini and Cucumber frequently to keep plants producing, and pick Green Beans and Summer Squash at peak tenderness. For best flavor, gather Tomato as they ripen and remove any damaged fruit to reduce disease pressure.

Planting Schedule

Add crops from the list below to build your planting schedule.
Crop Indoor Start Transplant / Sow Harvest Window
Artichoke Feb 13th Apr 24th Sep 21st – Sep 30th
Giant Red Celery Feb 13th Jun 19th Sep 17th – Sep 30th
Green Sleeves Feb 13th Jun 19th Sep 17th – Sep 30th
Gros Vert de Laon Feb 13th May 1st Jul 30th – Sep 30th
Kojak Feb 13th Apr 24th Aug 22nd – Sep 30th
Verina Feb 13th Mar 27th Jul 5th – Sep 30th
African Sunset Feb 27th May 8th Aug 6th – 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
Amsterdam Cutting Feb 27th May 8th Jul 17th – Sep 30th
Amsterdam Seasoning Feb 27th May 1st Jul 10th – Sep 30th
Apollo Feb 27th May 1st Aug 29th – Sep 30th
Artichaut de Nice Feb 27th May 1st Aug 29th – Sep 30th
Artichoke de Marseille Feb 27th Jun 19th Sep 17th – Sep 30th
Atlas Angel Feb 27th May 1st Jul 10th – Sep 30th
Baby Artichoke Feb 27th May 1st Jul 25th – Sep 30th
Balder Feb 27th May 8th Aug 21st – Sep 30th
Bandit Feb 27th May 1st Aug 29th – Sep 30th
Beijing White Feb 27th May 1st Jul 20th – Sep 30th
Bing Select Feb 27th Apr 24th Jul 3rd – Sep 30th
Blue Solaise Feb 27th May 1st Aug 19th – Sep 30th
Bordeaux Feb 27th May 8th Jul 22nd – Sep 30th
Bullseye Salmon Feb 27th May 1st Jul 10th – Sep 30th
Cabernet Feb 27th May 1st Aug 19th – Sep 30th
Carmen F1 Feb 27th May 1st Aug 14th – Sep 30th
Cascade Blue Feb 27th May 8th Jul 17th – Sep 30th
Catanese Feb 27th Jul 3rd Oct 31st – Sep 30th
Celebration Feb 27th Apr 24th Jul 13th – Sep 30th
Cherokee Sunset Feb 27th May 8th Jul 17th – Sep 30th

Frequently Asked Questions


What are the frost dates for Zone Zone 5a?
In Zone Zone 5a, the average last spring frost is May 8th and the average first fall frost is Sep 30th.
When is the best time to start seeds indoors in Zone Zone 5a?
The best time to start most seeds indoors is 6 to 8 weeks before your last spring frost date of May 8th.
How long is the growing season in Zone Zone 5a?
Zone Zone 5a has a growing season of approximately 145 days.