Water Parsley illustration

Growing Water Parsley in Zone 1b

Zone 1b 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)

Zone1b
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 1b

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

Frequently Asked Questions

When should I plant Water Parsley in Zone 1b?

Start Water Parsley seeds indoors around Mar 30. Transplant outdoors after May 11. Expect first harvest around Jun 30.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Water Parsley in Zone 1b?

Yes. Water Parsley needs 75 days to harvest. Zone 1b has a 95-day growing season, which is sufficient.

What is the best month to plant Water Parsley in Zone 1b?

The best time to start Water Parsley in Zone 1b is Mar. Begin seeds indoors around Mar 30, then transplant outdoors after the last frost date of May 25.

What companion plants grow well with Water Parsley?

Good companion plants for Water Parsley include Watercress.

How long does Water Parsley take to harvest?

Water Parsley takes approximately 75 days from planting to harvest. In Zone 1b, expect your first harvest around Jun 30.

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