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How to grow climbing strawberries from seed

Updated: 21 October 2026

You already have a packet, or a young plant, and you want the sequence rather than another price. How to grow climbing strawberries starts with a blunt fact: a climbing strawberry in UK shops is a strawberry with long runners, not a vine that grips a trellis. The packets in the [climbing strawberry comparison](/hub/seeds-and-plants/climbing-strawberry) are unnamed seed. None of them is labelled Mount Everest or Skyline. The method follows the Royal Horticultural Society and BBC Gardeners' World, and it does not invent a germination rate. A qualifying purchase can earn a commission at no extra cost to you.

You already have a packet, or a young plant, and you want the sequence rather than another price.

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Sow the packet

Gardeners' World sows strawberry seed in February or early March and looks for seedlings in about six weeks at about 18°C. The RHS gives about 18°C for alpine strawberry seed, and also lists about 13–18°C for Fragaria vesca. Use that as the alpine range, not as a promise for an unnamed climbing title. Sow on the surface of moist compost and cover lightly. Flooding the tray, or a propagator that drips onto the compost, is the usual way to lose it. Prick out by a leaf, not by the stem, once the seedlings can be held, and give each its own module. Six quiet weeks are not a failed packet and not a pest report. If you have not bought the packet yet, the count clashes are on the climbing strawberry buying guide.

Set the crown

The crown is the short stem where leaves and roots meet. The RHS says it sits level with the soil. Buried, it rots. Perched above the compost, the roots dry. Push the compost up to that line and no further. Check again after you water, because loose compost settles. The Buy4seeds climbing bullets say full sun and well manured, free-draining soil. Those lines are shared trade text on the 5-seed, 10-seed, and 20-seed pages. They do match the RHS site: strawberries want sun and drainage. The up to 150 cm bullet is the same shared line. It is not a measurement of your seedling, and it is not proof the packet is Skyline. The RHS shop page for Mount Everest prints 45 cm spacing for that named plant. Give unnamed seedlings room anyway. Basket counts live on climbing strawberries in hanging baskets.

Tie the runners

A runner is a stem with a plantlet on the end, looking for soil. It does not twine, and it does not cling. Thompson & Morgan says tie long runners with soft twine. RHS Plants, writing about Mount Everest, says tie them to a cane, a wigwam, or a trellis. The Buy4seeds bullets say a support, trellis, or pea netting. A runner left in the air dries. A runner you want as a new plant is pegged into compost, still attached to the parent, until it has rooted. On a patio the same runner can trail from a basket. Trailing is still not climbing. If you fix a trellis to a rented wall, the landlord approves the fixing.

What fruit timing you can and cannot claim

The RHS says alpine strawberries often fruit in the first year. Gardeners' World, writing about alpine and some perpetual seed, allows a small harvest in the second summer and a larger one in the third. Do not merge those into one promise for a packet that names neither alpine nor a cultivar. An April sowing of unnamed climbing seed is not a reason to expect a June bowl. These listings give no germination rate and no yield. If you stay with seed, keep the crown level and water the compost rather than the crown. The RHS often talks about replacing plants after two or three years, and replanting a bed every three or four years in a fresh spot. That is garden-strawberry practice, not a guarantee on these packets.

Common questions

How warm, and how long do I wait?
Gardeners' World uses about 18°C and about six weeks. The RHS alpine guidance is about 18°C, with about 13–18°C also listed for Fragaria vesca. A cooler windowsill can add time. Six quiet weeks are not a failed packet by themselves, and they are not a pest report. There is no germination percentage for these eight listings.
When can I expect fruit?
You cannot put a date on these unnamed packets. Alpine seed, on the RHS account, often fruits in the first year. Gardeners' World allows a small harvest in the second summer and a larger one in the third for alpine and some perpetual seed. Those sentences are not a forecast for a generic climbing title. Do not plan a June bowl from an April sowing of this seed.
Will the plant climb a trellis by itself?
No. The long growth is a runner with a plantlet that wants soil. It will not grip mesh the way a pea or a clematis does. You tie it to a cane, wigwam, trellis, or pea netting with soft twine, or you peg the plantlet into a pot. A 150 cm claim on a Buy4seeds bullet is shared trade text, not proof that your plant will reach that height unaided.
What do I do with the first runners?
If you want height, tie them to the support while they are still soft. If you want another plant, peg the plantlet into compost and leave it attached until it roots, then cut the runner. If the basket is meant to trail, you can leave them to hang, still without expecting them to climb back up. Cut off runners you do not want, so the parent spends its effort on the crown.
When do I stop and ask someone else?
Ask APHA in England and Wales if you suspect a notifiable pest, not because a tray is slow. Ask the landlord before you fix a trellis to a wall you do not own. Ask the allotment committee if the site restricts what you bring in. Selling plants is a different job again, with registration and passports. Growing one packet on a patio does not require that paperwork.

Related pages

Sources

Sources taken from the research digest. Listings were checked in October 2026.

  1. RHS — How to grow strawberries (retrieved 21.10.2026)
  2. RHS — Strawberry viruses (retrieved 21.10.2026)
  3. BBC Gardeners' World — Strawberries from seed (retrieved 21.10.2026)
  4. BBC Gardeners' World — Strawberry hanging basket (retrieved 21.10.2026)
  5. GOV.UK — Issuing plant passports (retrieved 21.10.2026)
  6. GOV.UK — Plants which need a plant passport (retrieved 21.10.2026)
  7. Marketing of Fruit Plant and Propagating Material (England) Regulations 2017 (retrieved 21.10.2026)
  8. RHS Plants — Strawberry Mount Everest (retrieved 21.10.2026)
  9. Thompson & Morgan — How to grow strawberries (retrieved 21.10.2026)
  10. Garden Patch — Will strawberries climb a trellis? (retrieved 21.10.2026)
  11. Consumer Rights Act 2015 (retrieved 21.10.2026)