Zone 10 · Herbs Growing Guide

When to Plant Dill
in Zone 10

Fast, feathery, and self-seeding. Plant once and you'll have it forever — it reseeds prolifically. Harvest young leaves for flavour; let some plants set seed for pickling.

Plant outdoors
Oct – Feb
Start indoors
Direct sow
Last Frost
~Jan 15
Days to harvest
40–60 days
Difficulty
Easy
Late season — Zone 10
Harvest window: Nov – Mar

Planting Calendar

In Zone 10, Dill should be planted outdoors Oct – Feb, after the average last frost date of approximately Jan 15.

Cool season only. Brief but productive window.

Care Guide

Sunlight
Full sun · 6–8 hrs/day
Watering
Moderate
Spacing
9–12 inches
Soil
Well-draining, slightly sandy
Days to maturity
40–60 days
Soil pH
5.8–6.5
plant tip · Zone 10

Cool season only. Brief but productive window.

Feeding Schedule

How often
once at planting
Feed type
balanced (10-10-10)
Key timing
at planting

Light feeder. A single balanced feed at planting is sufficient. Over-feeding reduces aromatic oils.

Succession Planting

Sow every 3 weeks

Sow every 3 weeks from spring through midsummer. Dill bolts quickly — succession keeps leaves coming. If you want seeds (for pickling), let one sowing go to flower.

Companion Planting for Dill

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

Grows well with
  • Brassicas
  • Lettuce
  • Cucumbers
Keep away from
  • Carrots
  • Fennel
  • Tomatoes
  • Cilantro

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Common questions

In Zone 10, dill is a fall-planted crop. Plant outdoors Oct – Feb once temperatures cool in autumn. It overwinters and is ready to harvest around Nov – Mar. No last frost consideration — plant before the ground freezes.
Zone 10 has an average last spring frost of approximately Jan 15 and a first fall frost around Dec 31. 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 dill include Brassicas, Lettuce, Cucumbers. Avoid planting near Carrots, Fennel, Tomatoes, Cilantro, which can compete for nutrients or attract pests.
Dill typically takes 40–60 days from transplant or direct sow to harvest in Zone 10. Expected harvest window: Nov – Mar.

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Dill in other zones
Crop Guides