Plant Library shallot
Vegetable · Full Sun

How to grow shallot

Allium cepa Aggregatum Group
shallot
Photo: Oliver515 / Wikimedia Commons (CC BY-SA 4.0)
☀️
Full Sun
Sun
💧
Medium
Water
📐
15–20 cm
Spacing
🌾
90–150 days
Days to harvest

Overview

Shallot is a culinary allium grown for its mild-flavored bulbs, which separate into cloves. It is a kitchen staple in Australia, easy to grow from sets planted in autumn. Key: requires consistent moisture but not waterlogged soil.

Varieties

  • Red Sun — A popular red-skinned variety with a mild, sweet flavour, reliable in Australian gardens.
  • Golden Gourmet — Yellow-skinned, round bulbs with a rich taste, good for storage.
  • French Shallot (Grey) — Traditional elongated grey shallot with a refined flavour, prized by chefs.
  • Echalote Grise — A classic French grey shallot, small but intensely flavoured, ideal for cooking.

Soil Preparation

Prefers slightly acidic to neutral soil (pH 6.0–7.0). Enrich with well-rotted compost before planting; avoid fresh manure. Ensure excellent drainage, as waterlogged soil leads to rot.

Growing Guide

Plant shallot sets in full sun and well-drained soil. Place sets 2–3 cm deep, 10–15 cm apart in rows 30 cm apart, with the tip just visible. Water steadily to keep soil evenly moist, especially during bulb formation. Mulch to retain moisture and suppress weeds. Avoid planting in heavy clay or waterlogged areas.

Care

Feed with a balanced fertilizer every 4–6 weeks during active growth. Remove any flower stalks promptly to direct energy into bulb development. Keep beds weed-free to reduce competition and improve airflow.

Companion Planting

Good companions include carrots, beetroot, lettuce, strawberries, and silverbeet, which benefit from the pest-repelling properties of alliums. Avoid planting with peas and beans, as they compete and may hinder bulb development.

Common Pests & Risks

Thrips cause silvery leaf streaks; control with neem oil or insecticidal soap. Onion fly larvae tunnel into bulbs; use row covers and rotate crops. Fungal rots (e.g., white rot) occur in wet soil; avoid overhead watering and improve drainage.

Harvesting

Harvest when at least half the leaves turn yellow and flop over. Lift bulbs with a fork on a dry day, then dry in a sunny, airy spot for 1–2 weeks. Store in a cool, dark, well-ventilated place for months.

In the Kitchen

Shallots are milder and sweeter than onions, perfect for dressings, sautéing, and roasts. Store in a cool, dark place for up to 6 months. When soil dries after harvest, bulbs keep well if properly cured.

Troubleshooting

Yellowing leaves: overwatering or nitrogen deficiency; reduce water and apply light feed. Bulbs small or not forming: too much nitrogen or heat; stop feeding and ensure adequate spacing. Bolting (flower stalks): stress from temperature swings or poor watering; remove stalks promptly. Rotting in ground: poor drainage or fungal disease; improve soil structure and rotate beds. Thrips damage: silvery streaks on leaves; spray neem oil weekly.

Planting Calendar

Climate zone
Sow
Transplant
Harvest
Cool Hobart · Canberra · highlands
Mar–Apr
Dec–Feb
Temperate Melbourne · Adelaide · coastal NSW · most of NZ
Mar–May
Dec–Feb
Mediterranean Perth · Eyre Peninsula
Mar–May
Sep–Nov
Subtropical Brisbane · coastal QLD · northern NSW · Auckland
Mar–Apr
Jul–Sep

Common Questions

How long does shallot take to grow?
Shallots take 5–6 months from planting sets to harvest. Leaves begin yellowing around 4–5 months, indicating maturity.
Can shallot grow in a pot?
Yes, grow shallots in a deep pot (at least 20 cm) with drainage holes, using quality potting mix. Space sets 10 cm apart.
When should I plant shallot in Australia?
In cool, temperate, and subtropical zones, plant sets in autumn (March–May). In Mediterranean zones, plant through autumn and early winter (March–June).
How much water does shallot need?
Water moderately to keep soil moist but not soggy, especially during bulb swell. Reduce watering as leaves yellow to help curing.
What are good companion plants for shallot?
Plant shallots with carrots, beetroot, lettuce, and strawberries. Avoid peas and beans, which compete for nutrients.
How do I store harvested shallots?
Dry bulbs in a sunny, airy spot for 1–2 weeks after harvest, then store in a cool, dark, well-ventilated area. They can last up to 6 months.
Why are my shallot bulbs small?
Small bulbs often result from overcrowding, too much nitrogen, or insufficient water during bulb formation. Ensure proper spacing and steady moisture.
Can I grow shallots from seed?
Yes, but seed-grown shallots take longer and are less common. Start seeds in trays 8–10 weeks before last frost, then transplant. Sets are easier for home gardens.

Quick Facts

Sun Full Sun
Water Medium
Spacing 15–20 cm
Days to harvest 90–150
Frost tolerance Medium

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