Zone 11 · Tomatoes Growing Guide

When to Plant Heirloom Tomato
in Zone 11

Extraordinary flavour that supermarket tomatoes can't touch. More prone to cracking and disease than hybrids, but worth every bit of the extra attention.

Plant outdoors
Oct – Feb
Start indoors
Direct sow
Last Frost
~none
Days to harvest
75–90 days
Difficulty
Medium
Ready to harvest — Zone 11
Harvest window: Dec – May

Planting Calendar

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

Cool season only. Afternoon shade essential. Heirlooms suffer in Zone 11 heat.

Care Guide

Sunlight
Full sun · 8–10 hrs/day
Watering
Regular
Spacing
36–48 inches
Soil
Rich, well-draining loam, heavily composted
Days to maturity
75–90 days
Soil pH
6.0–6.8
plant tip · Zone 11

Cool season only. Afternoon shade essential. Heirlooms suffer in Zone 11 heat.

Feeding Schedule

How often
every 2 weeks
Feed type
tomato feed (high potassium)
Key timing
start when first flowers appear

Heirlooms are hungrier than hybrids. Rich compost at planting plus regular liquid feed during fruiting.

Companion Planting for Heirloom Tomato

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

Grows well with
  • Basil
  • Borage
  • Marigolds
  • Carrots
Keep away from
  • Fennel
  • Brassicas
  • Corn
  • Potatoes

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Common questions

In Zone 11, heirloom tomato is a fall-planted crop. Plant outdoors Oct – Feb once temperatures cool in autumn. It overwinters and is ready to harvest around Dec – May. 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 heirloom tomato include Basil, Borage, Marigolds, Carrots. Avoid planting near Fennel, Brassicas, Corn, Potatoes, which can compete for nutrients or attract pests.
Heirloom Tomato typically takes 75–90 days from transplant or direct sow to harvest in Zone 11. Expected harvest window: Dec – May.

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Heirloom Tomato in other zones
Crop Guides