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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A post shared by David Williams (@the_potting_shed_uk)

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.

bedding plants sign and seed trays in garden centre

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.

 

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.

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!

SaleBestseller No. 1
Perennial Pack Collection Garden Plant Hardy Perennials Flowering Garden Plants Easy to Grow Your...
  • This collection includes a selection of the perfect perennials of summer bedding plugs
  • With a blend of shapes, sizes, textures and colours, these outdoor flowers will ensure your garden is full of colour throughout the growing season. Each flower is ready to plant and will look perfect...
  • Colour co-ordinate or plant in large groups for a stunning display that is sure to make your neighbours envious!
Bestseller No. 2
10 Hanging Basket Summer Plug Plants, Ideal Mix of Plug Plants for Garden Hanging Baskets. * Ready...
  • 10 of the Best hanging plants ready to pot up and create beautiful baskets to flower in the summer.
  • Pack contains trailing plants for hanging baskets as well as some upright for the structure of the basket
  • 10 hanging basket flowers ready to plant into pots for a use in baskets or patio pots
Bestseller No. 3
10 Geranium Zonal Plug Plants Mixed Collection - Plugplants4u
  • Excellent for hanging baskets, containers and garden borders
SaleBestseller No. 4
Bestseller No. 5
Bestseller No. 7
Drought Tolerant Creeping Phlox Perennial Ground Cover Garden Plant with Bright Flowers in Spring,...
  • Creeping phlox outdoor plants are the perfect ground cover perennials, fully hardy perennial plants that produce a carpet of beautifully coloured flowers in spring, ideal for beds and borders and easy...
  • This attractive hardy perennial is resilient and easy to grow in your own garden, thriving in most conditions and particularly well suited to growing in beds and borders where it provides an effective...
  • Perfect for growing in beds and the border, this hardy garden plant produces masses of multicolour beautiful flowers of white, pink and lilac shades which gradually spread to form a dense carpet...

Last update on 2021-06-24 / Affiliate links / Images from Amazon Product Advertising API

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