Cucumber, White Wonder illustration 🥒

🥒 Growing Cucumber, White Wonder in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Cucumber, White Wonder early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 17Sep 22

Season: May 15 – Sep 22 (130 days) · Succession: plant every 3 weeks (up to 3x)

Zone3b
Last FrostMay 15
First FrostSep 22
Season Length130 days
Days to Harvest60
SunFull Sun
Frost ToleranceNone
Spacing2/sqft (6-8" apart)

When to Plant Cucumber, White Wonder in Zone 3b

Start Seeds Indoors: Apr 17

Start Cucumber, White Wonder seeds indoors around Apr 17 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 3–10 days.

Transplant Outdoors: May 29

Transplant Cucumber, White Wonder seedlings outdoors after May 29. Wait until soil temperature reaches 65°F. Space plants at 2/sqft (6-8" apart). Harden off plants for a week before moving outside.

Harvest: Jul 18

First harvest approximately Jul 18 (~50 days from transplant). Continue harvesting until first frost (Sep 22).

Fall Planting: Jul 14

For a fall harvest, plant Cucumber, White Wonder around Jul 14 (10 weeks before first frost).

Companion Planting

✅ Dill✅ Marigolds✅ Beans✅ Peas✅ Corn
❌ Potatoes❌ Strong Herbs (Sage)

Frequently Asked Questions

When should I plant Cucumber, White Wonder in Zone 3b?

Start Cucumber, White Wonder seeds indoors around Apr 17. Transplant outdoors after May 29. Expect first harvest around Jul 18.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Cucumber, White Wonder in Zone 3b?

Yes. Cucumber, White Wonder needs 60 days to harvest. Zone 3b has a 130-day growing season, which is sufficient. You can plant up to 3 successions.

What is the best month to plant Cucumber, White Wonder in Zone 3b?

The best time to start Cucumber, White Wonder in Zone 3b is Apr. Begin seeds indoors around Apr 17, then transplant outdoors after the last frost date of May 15.

What companion plants grow well with Cucumber, White Wonder?

Good companion plants for Cucumber, White Wonder include Dill, Marigolds, Beans, Peas, Corn. Avoid planting Cucumber, White Wonder near Potatoes, Strong Herbs (Sage).

How long does Cucumber, White Wonder take to harvest?

Cucumber, White Wonder takes approximately 60 days from planting to harvest. In Zone 3b, expect your first harvest around Jul 18.

Plan Your Cucumber, White Wonder Garden

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

Start Free Cucumber, White Wonder Growing Guide