Rocket Potatoes: How to Grow Extra Early Crops

Rocket potatoes are one of the earliest and fastest-growing potato varieties available to UK gardeners. As a first early potato, Rocket is prized for its speed, reliability, and ability to produce a crop even in cooler spring conditions, making it ideal for gardeners who want extra-early new potatoes.

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• Seed Potato Collection (Early, First & Second Earlies)
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• Potato Grow Bags / Containers
Reusable, breathable bags designed specifically for growing potatoes — great for patios, small gardens, or increasing yield in limited space.
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• Potato Fertiliser / Soil Booster
Specially formulated feed to support healthy tuber development and improve yields — apply at planting or as a top-dress during the season.
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• Potato Planting Guides & Markers
Helpful tools and guides that take you through planting depth, spacing, and care — plus reusable markers to keep track of different varieties.
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What Are Rocket Potatoes?

Rocket is a first early potato variety with smooth pale skin and white flesh. It is well known for its rapid growth and consistent yields, often producing harvestable potatoes earlier than most other varieties. Rocket potatoes are best eaten fresh and are not suitable for long-term storage.

When to Plant Rocket Potatoes

In the UK, Rocket potatoes are usually planted:

• Late February to March, depending on soil conditions

Plant once the soil is workable and not waterlogged. In colder areas, planting may be delayed slightly. Chitting seed potatoes before planting helps speed up emergence and supports earlier harvests.

How to Grow Rocket Potatoes

Soil Preparation

Rocket potatoes prefer light, fertile, well-drained soil. Before planting, dig in well-rotted compost or organic matter to improve drainage and nutrient levels.

Planting Depth and Spacing

• Plant seed potatoes 10–15 cm deep
• Space plants 30 cm apart
• Leave 60 cm between rows

Rocket potatoes are also ideal for containers and grow bags.

Earthing Up

As shoots appear, earth up soil around the stems to protect them from late frosts. Continue earthing up as plants grow to keep developing tubers covered and encourage higher yields.

Watering

Water regularly during dry spells, especially once plants begin flowering. Avoid waterlogging, as early potatoes are sensitive to excess moisture.

Feeding

Rocket potatoes do not require heavy feeding. A general-purpose fertiliser or organic feed at planting time is usually sufficient.

Growing Rocket Potatoes in Containers

Rocket is one of the best potatoes for container growing:

• Use containers or grow bags at least 40 cm deep
• Fill with free-draining compost
• Add more compost as plants grow to earth up
• Water consistently, as containers dry out quickly

When to Harvest Rocket Potatoes

Rocket potatoes are typically ready to harvest:

• 8–10 weeks after planting

Harvest when plants are flowering and tubers are still small to medium-sized with thin skins. Rocket potatoes can be lifted earlier than many other first early varieties.

How to Harvest Rocket Potatoes

• Carefully loosen soil or compost with a fork
• Lift gently to avoid damaging delicate skins
• Harvest as needed rather than lifting the entire crop at once

Common Problems When Growing Rocket Potatoes

• Frost damage to early shoots
• Slug damage in damp conditions
• Dry soil reducing tuber size

Rocket potatoes are usually harvested before blight becomes a problem.

Best Uses for Rocket Potatoes

Rocket potatoes are best used for:

• Boiling
• Steaming
• New potatoes with butter and herbs
• Light salads

They are not suitable for roasting, mash, or storage.

Why Grow Rocket Potatoes?

• One of the earliest potatoes available
• Reliable crops in cool UK springs
• Ideal for containers and small gardens
• Excellent flavour when freshly harvested

Tips for Extra-Early Success

• Always chit seed potatoes before planting
• Use fleece or cloches to protect early growth from frost
• Grow in containers to warm soil faster
• Harvest early for the best flavour and texture