When should I plant Borage in Zone 4a?

Direct sow Borage outdoors around Apr 21. Expect first harvest around Jun 15.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Yes. Borage needs 55 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

Zone 4a has cold winters and a moderate growing season. Timing is key for Borage in this zone. Embun beku terakhir: May 5. Embun beku pertama: Oct 1.

Outdoor

Harvest

Apr 21Oct 1

Season: May 5 – Oct 1 (149 hari)

Zona4a

Embun beku terakhirMay 5

Embun beku pertamaOct 1

Musim149 hari

Panen55 hari

MatahariMatahari Penuh

Direct sow Borage seeds outdoors around Apr 21. Wait until soil temperature reaches 50F. Space plants at 18/m².

First harvest approximately Jun 15 (~55 hari from planting). Continue harvesting until first frost (Oct 1).

✅ Stroberi✅ Tomat✅ Labu✅ Mentimun

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Track Borage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.