When should I plant Ajo in Zone 4a?

Direct sow Ajo outdoors around Apr 3. Harvest around Nov 29.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Ajo in Zone 4a?

Zone 4a has a 130-day growing season, which may be too short for Ajo (240 days needed). Consider short-season varieties or season extension techniques.

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🧄 Cultivar Ajo en la Zona 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Ajo in this zone. Last frost: May 15. First frost: Sep 22.

Season Too Short

Ajo needs 240 days to harvest, but Zone 4a has only a 130-day growing season. Consider short-season varieties or season extension techniques (cold frames, row covers).

Zone4a

Last FrostMay 15

First FrostSep 22

Season130 days

Harvest240 days

SunFull Sun

When to Plant Ajo in Zone 4a

Sow Seeds Outdoors: Apr 3

Direct sow Ajo seeds outdoors around Apr 3. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).

Harvest: Nov 29

First harvest approximately Nov 29 (~240 days from planting). Continue harvesting until first frost (Sep 22). Ajo can overwinter in mild climates for continued harvest.

Fall Planting: Aug 11

For a fall harvest, plant Ajo around Aug 11 (6 weeks before first frost).

Companion Planting

✅ Tomatoes✅ Roses✅ Fruit Trees✅ Strawberries✅ Beets✅ Peppers

❌ Beans❌ Peas❌ Sage

Ajo en Otras Zonas

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Planifica Tu Jardín de Ajo

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

Start Free Ajo Growing Guide