If you don’t have time, space or the equipment to sow seeds this spring, there’s still time to buy plug plants that could cost you far less than the more mature versions you’d be buying in early summer.
What are plug plants?
Plug plants are essentially mini-plants grown in their own cell and are smaller than the pots of bedding you can buy later in the season.
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While the last chance to buy summer bedding as plugs is generally the end of April, some more tender vegetable plugs are sent out later, to be planted in the ground or in containers soon after arriving.
You’ll still need to have a place indoors to put tender annuals while they are growing, but you won’t have to invest in seed trays or fine seed compost because you’ve already had a head start.
If you have a frost-free greenhouse or enough space indoors, you could start planting up hanging baskets and containers with plug plants, giving them plenty of room to develop and put down new roots, but these plants are like babies, so they will need some TLC and gentle handling before you place them outside when all danger of frost has passed.
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What are the advantages of plug plants?
They are less fiddly than seeds
Plug plants arrive in their own ‘cell’ of soil and take away the hassle of thinning out seedlings from trays and the often very careful transplanting required to pot them on. The plants risk less root disturbance – which can interrupt growth – as you already have an individual plant, which you’ll just need to transfer into a larger pot when you receive it.
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Plug plants are cheaper than more mature versions
They can cost around half the price of more mature plants later on in the season – both from online suppliers and garden centres. “Plug plant sizes vary dramatically but most of ours are about 6cm. Our ‘Teen’ range, most of which are raised from cuttings and are true to type, are 9cm,” says Marcus Eyles, horticultural director of Dobbies Garden Centres (dobbies.com). “The ‘teen’ range is £2.49 each and five plants for £10. If you bought these plants later in the season at a larger size, they would cost from £5 to £10 each.”
You can even buy houseplants as plugs for less than a more mature specimen would cost and nurture them yourself.
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You may not want too many plants
If you grow from seed, you may well end up throwing quite a few plants away as you find you don’t have room for all the seedlings. Vegetable plug plants, in particular, are great if you only want a few of a particular vegetable, as you can pick and choose. A packet of tomato or chilli seeds, for instance, is likely to produce far too many plants for the average garden.
“If people want to buy plug plants, I would recommend almost any vegetable actually including beetroot and salad onions,” says gardening expert, author and YouTuber Charles Dowding (charlesdowding.co.uk), who gives talks and runs gardening courses. “I use Delfland Nurseries (organicplants.co.uk). Because they are organic, the plants tend to be smaller but also much stronger.
“Sometimes large and lush plants – which look great at point of purchase – do nothing but decline for a while until they recover from being in the new and more challenging conditions.”
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Some plants are difficult to grow from seed
“Begonias, bacopa, nemesia, osteospermum, verbena and lobelia are all more difficult plants to propagate and take time, therefore buying them when they have already been raised on to young plants will give you a head start for the season, plus could save time spent if unsuccessful in propagating from cuttings or seeds,” Eyles advises.
Others that can be difficult or take a long time to grow from seed include geraniums, begonias and dianthus. Dowding adds: “Good veg to buy [as plugs] are aubergines, chilli, pepper, celery, celeriac, grafted tomatoes, perhaps cucumber and melon too.”
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How much care will plug plants need?
“These are young plants, and we can still experience cold weather and frosts until May, so some TLC is required to grow them on,” says Eyles. “Plant into larger pots and place in a greenhouse, grow house, conservatory, or windowsill with lots of natural light. Make sure the temperature stays above 14 degrees C.
“In the same way that you would if growing from seed, you’ll need to get them used to colder temperatures, hardening them off in a cold frame over a period of seven to 10 days, moving them outside once the risk of frosts has passed. Water carefully, ensuring not to overwater.”
Best-selling plug plants
Stuck for inspiration? Check out our list of best-selling Amazon products!
- Create a vibrant display of bright, summer colors to welcome the sunny season.
- A bumper collection of summer plugs, ensuring a varied mixture of colorful flowers.
- Simply plant in beds, borders, and containers to enjoy a blooming and lively garden.
- Outperforming all other varieties in our trials, this exceptional Geranium is smothered in large, shapely scarlet flowers.
- Guaranteed to create a top performance bedding plants perfect for beds, borders and containers.
- Will make a statement wherever placed outdoor in the garden.
- Treat your garden to this exclusive and improved T&M improved blend of Lobelia for a full season of stunning cascading colour!
- 'Cascade Improved Choice Mixed' includes a mixture of old and new varieties, for a longer display of blue, white and purple flowers
- This long-lasting mix of trailing Lobelia makes a glittering addition to hanging baskets, containers, flower pouches and window-boxes
- Enjoy vibrant colors from summer through October, a floral delight.
- Robust and resilient, ensuring a healthy and long-lasting display.
- Ideal for beds, borders, window boxes, baskets, and containers.
- This lucky dip collection includes a mixture of the best annuals around!
- With a blend of textures and colours, from vivid reds and magentas to sunny yellows and pale greens
- singles, doubles, upright blooms, star-shaped flowers and many more, our Summer Bedding Lucky Dip Collection is prefect for freshening up your beds and borders
- Summer flowering trailing tub and hanging basket plants
- Protect from frost, tender annual plants. Multicolored flowers
- Plant cell size 3cm x 3cm x 4cm deep (approx)
- Echinacea Nectar Pink has a neat branching habit that flowers all summer long.
- Perfect for sunny borders and wildlife areas, ideal for sunny locations.
- Easy to grow and a reliable summer plant suitable for growing in any sunny position, in beds and borders. Thrives in any rich, free-draining soil.
Last update on 2024-03-30 / Affiliate links / Images from Amazon Product Advertising API
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