When should I plant Borratja in Zone 4a?

Direct sow Borratja 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. Borratja 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 Borratja in this zone. Darrera gelada: May 5. Primera gelada: Oct 1.

Outdoor

Harvest

Apr 21Oct 1

Season: May 5 – Oct 1 (149 dies)

Zona4a

Darrera geladaMay 5

Primera geladaOct 1

Temporada149 dies

Collita55 dies

SolSol Ple

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

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

✅ Maduixes✅ Tomàquets✅ Carbassa✅ Cogombres

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