Sweet Potato Trio (Treasure Island Series)Ipomoea batatas


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Ornamental edible from an innovative breeding programme

Edible foliage and tubers

Equally good in the vegetable plot or as part of your patio display


Height Up to 300cm (118in)
Spread Up to 300cm (118in)


patiokitchen gardengreenhouse

full sun

Harvest Months

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The Treasure Island Series comes from an innovative breeding programme producing Sweet Potato plants as ornamental edibles. The attractive foliage can be harvested as nutritious salad leaves until early autumn when the plants are lifted for their crop of delicious tubers. These compact plants look equally at home on the patio as they are in the vegetable plot, making superb foliage plants throughout the summer. Height and spread: 1.5m (59").

Sweet Potato Trio comprises:

  • Sweet Potato 'Makatea' - Bright green, heart-shaped foliage and orange-flushed tubers in autumn.
  • Sweet Potato 'Tahiti' – A striking variety with eye-catching dark purple tubers.
  • Sweet Potato Beauregard – Reliable performance in the UK climate produces medium-sized tubers with sweet, salmon-orange flesh.

Show Codes

18 Jumbo Plug Plants (6 of each variety) (KF6660)

36 Jumbo Plug Plants (12 of each variety) (KF6661)

How to Grow

Gradually acclimatise sweet potato plants to outdoor conditions over 7-10 days prior to planting directly outside once all risk of frost has passed. Sweet potatoes require high temperatures of 24-26°C (74-78°F). Planting them through black plastic will provide extra warmth in cooler climates. When growing sweet potato in particularly cold areas they are best grown in greenhouse borders or under cloches.

Plant sweet potatoes 30cm (12") apart, leaving 75cm (30") between rows. Grow sweet potatoes in rich fertile, light sandy well drained soil. They prefer an acid or neutral soil in full sun. Prepare the soil in early spring by adding plenty of well rotted manure or garden compost to the soil to improve its structure and fertility. Water generously after planting.

More Info
Water sweet potato plants regularly and hoe between plants to prevent weeds from establishing. Provide a thick mulch of organic matter around the base of the plants to help conserve moisture and reduce weed growth. Spread the stems out around the plant and cut back to the growing tips to encourage more lateral stems to develop. Harvest sweet potatoes in late summer approximately 12 to 16 weeks after planting, when the foliage begins to turn yellow and die back.

Culinary note: Culinary uses of sweet potato are similar to potatoes - boil, steam, bake, fry, mash or batter fry as 'tempura'. The leaves and tips of young shoots can be cooked as a spinach substitute.


Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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