Knoflook illustration 🧄

🧄 Kweken van Knoflook in Zone 4a

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

Season Too Short

Knoflook 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 Knoflook in Zone 4a

Sow Seeds Outdoors: Apr 3

Direct sow Knoflook 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). Knoflook can overwinter in mild climates for continued harvest.

Fall Planting: Aug 11

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

Companion Planting

✅ Tomatoes✅ Roses✅ Fruit Trees✅ Strawberries✅ Beets✅ Peppers
❌ Beans❌ Peas❌ Sage

Plan Je Tuin voor Knoflook

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

Start Free Knoflook Growing Guide