Sugar Snap Peas

Sugar snap peas are a cross between snow peas and garden peas, combining sweet flavour with crisp edible pods. Easy to grow and highly productive, they’re a reliable crop for home gardeners.

These are the tender sweet peas that are great when cooked, however we think that Sugar snap Peas are even better eaten raw in a salad. They look like ‘fat snow peas’ and generally have bigger peas. The difference between ‘Sugar Snap’ and normal peas is that the pods are less fibrous.

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What Are Sugar Snap Peas?

Sugar snap peas produce thick, juicy pods filled with sweet peas. Unlike traditional peas, the pods are tender and low in fibre, making them ideal for eating fresh or lightly cooked.

Available in both climbing and dwarf varieties, they suit garden beds, raised beds, and even large containers.

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HowTo Grow Sugar Snap Peas

Sugar Snap Peas are one of the delights of the vegetable garden, sweet to eat fresh or cooked, productive plants and easy to grow.

Unless you are growing the dwarf varieties, you will need a trellis as these are climbing peas and if planted at the right time of the year will reach a good height.

Position and Sunlight

Choose a full sun position with at least 6 hours of light daily. In warmer climates, a little afternoon shade can help extend the growing season.

Soil Preparation

Peas prefer well-drained soil enriched with organic matter.

• Dig soil to 20–30 cm deep.
• Incorporate well-rotted compost or aged manure.
• Avoid overly rich nitrogen fertilisers, as peas fix their own nitrogen.
• Aim for a soil pH of around 6.0–7.0.

Raised beds work particularly well, improving drainage and root development.

How to Plant Sugar Snap Peas

• Sow seeds directly into the soil.
• Plant 2–3 cm deep.
• Space seeds 5–10 cm apart in rows or clusters.
• Water gently and keep soil moist (not wet).

Seeds usually germinate in 7–14 days depending on soil temperature.

Install trellis, netting, or support before planting to avoid root disturbance.

Trellising and Support

Most sugar snap peas are climbers and benefit from support.

• Use mesh, wire, or bamboo frames.
• Height of 1.5–2 m is ideal.
• Gently guide young plants onto supports until they begin climbing naturally.

Dwarf varieties may not require trellising but still benefit from light support.

Watering and Care

• Keep soil consistently moist during germination and flowering.
• Avoid waterlogging.
• Mulch lightly to retain moisture and suppress weeds.

Succession planting every 2–3 weeks will extend harvest.

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When to Plant (By Region)

Australia

• Cool to temperate regions: Late autumn to early spring.
• Warmer regions: Plant in autumn and early winter.

North America

• Early spring as soon as soil can be worked.
• Late summer for a fall crop in cooler regions.

UK

• March to June for main crops.
• October sowing possible in mild areas.

Europe

• Similar to UK; earlier planting in southern regions, later in colder climates.

Companion Planting

Sugar snap peas grow well alongside:

• Lettuce and spinach (use space efficiently between rows).
• Carrots and radish.
• Brassicas like cabbage and broccoli.

Avoid planting near onions or garlic, which can inhibit growth.

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Harvesting Sugar Snap Peas

Harvest when pods are plump but still tender, so before they swell to much, they are at their sweetest and crunchiest when young.

• Pick regularly to encourage continued production.
• Younger pods offer the best sweetness and crunch.
• Over-mature pods can become tough.

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Common Problems

• Poor germination: Often caused by overly wet soil.
• Aphids: Hose off or use organic sprays.
• Powdery mildew: Improve airflow and avoid overhead watering.

Top Tips for Better Yields

• Soak seeds overnight before planting to improve germination.
• Rotate crops yearly to prevent soil-borne disease.
• Harvest frequently to keep plants producing.
• Stagger sowing at 2 – 3 week intervals.