Water Parsley illustration

Growing Water Parsley in Zone 2b

Zone 2b has harsh winters and a short growing season. Start Water Parsley early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 30Aug 28

Season: May 25 – Aug 28 (95 days)

Zone2b
Last FrostMay 25
First FrostAug 28
Season Length95 days
Days to Harvest75
Sunfull-to-part
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Water Parsley in Zone 2b

Start Seeds Indoors: Mar 30

Start Water Parsley seeds indoors around Mar 30 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 14–28 days.

Transplant Outdoors: May 11

Transplant Water Parsley seedlings outdoors after May 11. Wait until soil temperature reaches 50°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Jun 30

First harvest approximately Jun 30 (~50 days from transplant). Continue harvesting until first frost (Aug 28).

Companion Planting

✅ Watercress

Plan Your Water Parsley Garden

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

Start Free Water Parsley Growing Guide