Zone 11 · Root Vegetables Growing Guide

When to Plant Potato
in Zone 11

Incredibly productive — a 10-foot row can yield 25 lbs of potatoes. Plant certified seed potatoes. Hilling soil around stems as they grow is the key technique.

Plant outdoors
Oct – Dec
Start indoors
Direct sow
Last Frost
~none
Days to harvest
70–120 days
Difficulty
Medium
Late season — Zone 11
Harvest window: Jan – Mar

Planting Calendar

In Zone 11, Potato should be planted outdoors Oct – Dec, after the average last frost date of approximately none.

Cool season crop only. Higher elevations in Zone 11 are best suited.

Care Guide

Sunlight
Full sun · 6–8 hrs/day
Watering
Regular
Spacing
12–15 inches
Soil
Loose, well-draining, acidic
Days to maturity
70–120 days
Soil pH
4.8–6.0
plant tip · Zone 11

Cool season crop only. Higher elevations in Zone 11 are best suited.

Feeding Schedule

How often
twice a season
Feed type
balanced then high potassium
Key timing
at planting and when flowering

Feed with balanced fertilizer at planting. Apply high-potassium feed when plants flower to improve tuber development.

Companion Planting for Potato

What you plant next to potato makes a real difference — some plants actively help, others compete or attract pests.

Grows well with
  • Beans
  • Brassicas
  • Corn
  • Marigolds
Keep away from
  • Tomatoes
  • Squash
  • Cucumbers
  • Fennel

These guides get better when growers like you contribute. If something’s wrong or you’ve learned something worth sharing, we’d love to hear it.

What needs correcting?

What should it say?

Your zone (optional)

Thanks — we'll review this and update the guide if needed.

Your growing tip for Potato

Your name (optional)

Your zone (optional)

Tips are reviewed before publishing. Accepted tips earn you a Founding Grower badge when the plant app launches.

Thanks for contributing! We'll review your tip and be in touch before launch.

Common questions

In Zone 11, potato is a fall-planted crop. Plant outdoors Oct – Dec once temperatures cool in autumn. It overwinters and is ready to harvest around Jan – Mar. No last frost consideration — plant before the ground freezes.
Zone 11 has an average last spring frost of approximately none and a first fall frost around none. These dates vary by specific location — use your ZIP code in the plant app for precision based on the nearest NOAA weather station.
Good companion crops for potato include Beans, Brassicas, Corn, Marigolds. Avoid planting near Tomatoes, Squash, Cucumbers, Fennel, which can compete for nutrients or attract pests.
Potato typically takes 70–120 days from transplant or direct sow to harvest in Zone 11. Expected harvest window: Jan – Mar.

Free app · iOS February 2028

Track your Potato in plant

Get a live traffic light for every crop in your garden — zone-aware planting calendar, real-time weather alerts, and a community of growers near you.

Be first to back on Kickstarter and lock in the founding price.

Potato in other zones
Crop Guides