Zone 11 · Root Vegetables Growing Guide

When to Plant Parsnip
in Zone 11

Slow to germinate, long to mature — but worth it. Frost turns starch to sugar; the sweetest parsnips are dug after a hard freeze. Needs deep, loose soil just like carrots.

Plant outdoors
Oct 15 – Dec
Start indoors
Direct sow
Last Frost
~none
Days to harvest
100–130 days
Difficulty
Medium
Wrong season — Zone 11
Harvest window: Jan – Mar

Planting Calendar

In Zone 11, Parsnip should be planted outdoors Oct 15 – Dec, after the average last frost date of approximately none.

Very limited window in Zone 11.

Care Guide

Sunlight
Full sun · 6–8 hrs/day
Watering
Regular
Spacing
3–4 inches
Soil
Deep, loose, sandy loam — same as carrots
Days to maturity
100–130 days
Soil pH
6.0–7.0
plant tip · Zone 11

Very limited window in Zone 11.

Feeding Schedule

How often
once at planting
Feed type
low nitrogen (5-10-10)
Key timing
before sowing

Like carrots, avoid excess nitrogen. Prepare the bed with a low-nitrogen fertilizer before sowing for best root development.

Companion Planting for Parsnip

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

Grows well with
  • Lettuce
  • Peas
  • Radishes
Keep away from
  • Carrots
  • Fennel

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Common questions

In Zone 11, parsnip is a fall-planted crop. Plant outdoors Oct 15 – 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 parsnip include Lettuce, Peas, Radishes. Avoid planting near Carrots, Fennel, which can compete for nutrients or attract pests.
Parsnip typically takes 100–130 days from transplant or direct sow to harvest in Zone 11. Expected harvest window: Jan – Mar.

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