🥒 When to Plant Cucumbers in Zone 1

Short answer: transplant Jun 22 – Jun 29. Here's the full schedule, built from zone 1's typical frost dates.

TaskWindow
Start seeds indoors
4–3 weeks before last frost
May 18 – May 25
Transplant outdoorsJun 22 – Jun 29
Direct sowJun 22 – Jun 29
Zone 1 frost window
Jun 15 → Aug 25
~71 frost-free days
Spacing
12″ / 36″
plants / rows
Maturity
50–70 days
from sowing

Growing cucumbers in zone 1

Direct-sow once soil hits 65°F — cucumbers hate root disturbance, so if you start indoors, use plantable pots. Trellising keeps fruit straight and clean. Pick daily at peak; one hidden overgrown fruit slows the vine.

Zone 1 covers interior and Arctic Alaska — extremely short season — most crops need transplants, season extension, or a greenhouse. Zone dates are medians: frost timing varies within a zone with elevation and terrain, so treat these windows as a solid default and refine them with your own city’s dates below.

Make it local

These windows use zone 1's typical frost dates (last frost ~Jun 15, first frost ~Aug 25). For windows computed from your frost dates, run the ZIP code frost lookup and open the planting calendar — it remembers your city. The seed starting scheduler turns the whole seed rack into one printable, date-sorted list.

Frequently asked questions

When do I plant cucumbers in zone 1?

Transplant Jun 22 – Jun 29, counted from zone 1's typical last frost around Jun 15. It has no frost tolerance — a late frost after planting means covering it or replanting.

When should I start seeds indoors for cucumbers in zone 1?

Sow indoors May 18 – May 25 — that's 4 to 3 weeks before the typical Jun 15 last frost, giving sturdy transplants exactly when the garden is ready for them.

Can I direct sow cucumbers in zone 1?

Yes — direct sow Jun 22 – Jun 29. Transplants buy a head start, but direct-sown plants catch up quickly once soil warms.