co. Short, pink flower spikes are borne in profusion throughout summer above the bright green foliage. When all risk of frost has passed, gradually acclimatise to outdoor conditions over a period of 7 to 10 days before. Find out how to create a beautiful, scented summer display by growing sweet peas in pots from plugs, in this practical guide from. Evergreen foliage means they make a stunning display in borders or pots. Begonia plug plants are an easy and economical way of quickly filling your containers and baskets with huge flowers. Cosmos, sometimes known as Mexican Aster, are season-long performers. 10 Jumbo Plug Plants (KB6217) 5 Jumbo Plug Plants (KB6216) 1 x 9cm Potted Plant (KC2160) 5 x 9cm Potted Plants (KC2167) 10 x 9cm Potted Plants (KC2168) How to Grow. Jumbo Plug Plants; Garden Ready Plants; Social . Our sensational patio Buddlejas are taking the gardening world by storm - and here's a brand new colour to add to the range! Dusky, deep blue flowers smother the short, bushy stems of Dwarf Buddleja Buzz® Indigo', attracting clouds of butterflies to its nectar rich. 99 Please note: This product cannot be delivered outside the United Kingdom. UK-grown 3cm diameter jumbo plug plants supplied. Geraniums. Organdy Mix 40 plug plants; Complete Climbing Plant Collection – 6 plugs; Surfinia Trailing Petunia Collection x 12 Jumbo Plug Plants; Trailing Fuchsia Collection x 12 Jumbo Plug Plants; Eremurus Ruiter Hybrids (Foxtail Lily) plant- pack of 3 roots; Dahlia Diabolo Mix 40 plug plants; Jumbo Flowered American Fuchsia Collection x. Out. 99 Save 1%. Our exciting range includes the hugely popular Geranium 'Best Red' F1 hybrid and the stunning 'Jackpot Mixed' with blooms that last all summer. Registered Company Number: 07864712. To order, call 0330 333 6790, quoting ref GU535, or go to our Readers’ Offers page . 72% (1433 Reviews) Garden Club Members Price: FROM £7. Plants are usually 2-8cm in height from base to tip, and the plug module could be 3-4cm in diameter, depending on the variety. Enormous cascading flowers reach up to 15cm/6in across and are ideal for. Compost volume around 2. Primula Gold Lace – pack of 12 jumbo plugs; Trailing Verbena Collection x 12 Jumbo Plug Plants; Novelty Fuchsia Collection x 12 Jumbo Plug Plants; The Ultimate Winter Hardy Shrub Collection x 12 Mature Bushe; Jumbo Flowered American Fuchsia Collection x 12 Jumbo Plugs; Allium Purple Sensation Size:10/12 pack of 12 bulbs; Rosebud Geranium. £5. 66 £19. Related Categories: Jumbo Plugs | Potted Spring Bulbs | Winter Colour Shrubs | Bulbs For Pots | Spring Bulbs For Pots | Winter Pots | Shrubs For Winter | Winter Bulbs 1 Results Page 1 of 1 1 Large plants are sold in trays in 12 and 24. Plant Size Height Up to 40cm (15. Gently press the plug plant into the compost, adding more. 99: SunPat® Com. Position In Dappled shade. Pinch out the growing tips while plants are still small to encourage bushier growth. Begonia Non Stop Mixed Tray of 20 Plug Plants. 12 Plugs Plants - Item: 400072. Long lasting and winter hardy, they are perfect for cool, shady spots. This lovely compact shrub is. Guarantee a stunningly colourful display all summer. Autumn Cottage Garden Bedding Plants from just 5p per plant. Basket. I know the manufacturers say the roots will come through and go into the compost/soil, but in. Being a sterile hybrid,. 99 Was Up To £9. 03333 702 702 Monday to Saturday 8am-6pm. KB8497. Annual plant plugs need to be grown on in a greenhouse for a couple of months until they have reached a good size and for spring bedding plants, until the risk of frost has passed. Keep the plants in warm frost-free conditions. Basket 0. The neat grey-green leaves and small pale blue flowers make this half-hardy perennial an attractive addition to borders and containers. 8cm-2cm square. 3 Jumbo Plug Plants Despatch By The End Of March 2024. When Alstroemeria plugs are fully rooted into their pots and all risk of frost has passed, gradually acclimatise them to outdoor conditions over 7 to 10 days. Pot up plugs and grow them on in warn, frost free conditions. £24. For most jumbo plug plant collections, the “mini Greenhouse” they are packed in will have a label on the outside, listing the individual varieties inside. Garden Ready Plug Plant Trays; Maxi Plug Plant Trays; Rapid Plug Trays; 3cm Jumbo Plugs; Pre-planted hanging baskets; Collections & Mixtures. Blooms up to 10cm (4in) across. 99 £ 13 . 30 x Jumbo Plugs | The Classic Bedding Plant Collection | Hand-Picked By Experts $ 30. Pot up Alstroemeria plants and grow them on in frost free conditions until large enough to plant outdoors. Bedding plants are easy to grow and care for and can be grown in hanging baskets, pots and borders. Supplied as. Trails 50-60cm. Calibrachoa Double Can Can Red 84 Large Plug Plants. 6 Jumbo Plug Plants (KB8001) 3 Jumbo Plug Plants (KB8000) 1 Jumbo Plug Plant (KB2921) How to Grow. Verbena Showboat Midnight (Spreading) 5 Large Plug Plants. Outstanding garden performance. Begonia Illumination White (Trailing) 5 Large Plug Plants. 99 £14. Home. Registered Company Name: You Garden Limited trading as Gardening Direct Registered Company Address: Eventus House, Sunderland Road, Market Deeping, Peterborough, PE6 8FD. 'Sonata White'. Garden Ready Plug Plant Trays; Maxi Plug Plant Trays; Rapid Plug Trays; 3cm Jumbo Plugs; Pre-planted hanging baskets; Collections & Mixtures. Registered Company Number: 07864712. Use a pencil or dibber to make a hole in the centre of each pot and pop in a plug, firming in place with your fingers. 20. 5-9cm (3-3½in) pots using a good quality compost. A recent introduction, Veronica spicata 'Bubblegum Candles' is a free-flowering variety that makes a fabulous patio plant. Check firewood is free from wildlife, read The Gardener’s Garden and plant a timelessly chic wallflowerBegonia Majestic Pink Picotee x 12 jumbo plug. Most. The fragrant stems of Lavender 'Munstead' are ideal for cutting or. If planting directly into a basket, allow 3-4 plants for a 12-14in. Verbena Showboat Magenta (Spreading) 5 Large Plug Plants. Long flowering from June through to November. Shipping Surcharge May Apply. Smaller plug plants are best potted up and grown on, but jumbo plugs or garden. 03333 702 702 Monday to Saturday 8am-6pm. Those crops that will be in flats longer may benefit from being started in 20-row flats and "potted up" into plug flats or propagation flats. View Garden. £59. Annual Plant Collections; Annual Plant Mixtures; By Colour. Initially your Lofos plants should be potted into 7. 99. Registered Company Number: 07864712. Will need to be transplanted and grown on a windowsill, or in a greenhouse or conservatory, before planting out ready to flower. Registered Company Name: You Garden Limited trading as Gardening Direct Registered Company Address: Eventus House, Sunderland Road, Market Deeping, Peterborough, PE6 8FD. 7in) Hardiness & Longevity Hardy Perennial. 5cm root ball. Product Information. 5cm root ball. 3. Pot up coleus plants into 9cm pots and grow them on in warm frost free conditions for transplanting into borders and containers later on. 2") in diameter. Roots Plants Calibrachoa Can-Can 'Blueberry Punch' Jumbo Plug Plants Calibrachoas have been carefully designed and produced to take full account of your home. ADD TO BASKET. 03333 702 702 Monday to Saturday 8am-6pm. Plug Plants and Mini-plugs for Sale Online from the UK. We pride ourselves on growing quality plants with a robust root system, that with the right care are ready to thrive once planted out. 6 Jumbo Plug Plants (KB8470) 3 Jumbo Plug Plants (KB8469) How to Grow. 99. Perennials arrive potted and will quickly establish. Only logged in customers who have purchased this product may leave a review. 99, saving £8. 99. I often add about 20% perlite to the compost as this helps get air around the roots – but if it’s a loose general purpose. 99 SAVE 21%. 99. 1cm, in, diameter) Flowering Period: Summer. £9. 99. Description. Unlike bare-root plugs can be used and planted throughout the season. The full, rounded buds of Rosebud Geranium 'Blue Sybil' resemble dainty roses when they first break open, then cluster together to form a pretty posy. When all risk of frost has passed, gradually acclimatise geraniums to outdoor conditions over a period of 7 to 10 days before. When you’re ready, plant your plug plants using plenty of fertile soil or compost, choosing a sunny, sheltered spot or pot on into slightly larger pots to develop. 99. Height: 25cm (10"). Tomato 'Sweet Million' is high yielding variety with long trusses of incredibly sweet red cherry tomatoes. M. 03333 702 702 Monday to Saturday 8am-6pm. 99. Aquilegia 'Winky Wooh' x 3 Pack - 5/7cm JUMBO Plug Plants For Sale £11. Begonia Organdy Mixed Tray of 40 Plug Plants. 99. Product Information. 26 Reviews. Become the envy of your neighbours with the beautiful Illumination series. 00 delivery charge. Geranium Zonal (Green Leaf) Trend Hanna Hot Pink 5 Large Plug Plants. Delivery Information View Product Description. Quick View. Visit now for great value plant plugs to boost your garden bedding displays. These are larger plugs that can be planted straight into hanging baskets or containers, but these usually need hardening off first, and if you're planning on putting them in the ground it's a good idea to repot them. Garden Club Members Price: £9. Plants are sent out weekly on a Tuesday or Wednesday by 24-48 hour delivery. Jumbo plants are sold in trays in 12 and 24. Pot up pelargonium plants and grow them on in warm frost-free conditions. These hold too much moisture and will drown the roots and the plants will die. 16 £17. For most jumbo plug plant collections, the “mini Greenhouse” they are packed in will have a label on the outside, listing the individual varieties inside. Soil Type: Well drained fertile soil. 10 Jumbo Plug Plants (2 of each variety) (KB8497) 5 Jumbo Plug Plants (1 of each variety) (KB8496) 5 x 9cm Potted Plants (KF0076) 10 x 9cm Potted Plants (KF0499) Feed and water geranium plants regularly, particularly during hot, dry periods. 99 SAVE 6%. £12. When planted en masse they produce ground cover/low screening. Available from Bedwen Plants. The perfect ground cover plant with ruby-red glossy foliage. Pot up hanging basket plants and grow them on before transplanting them into hanging baskets and containers. To order, call 0330 333 6856, quoting ref GUA685, or go to our Reader Offers page . Jumbo plug plant. Long-lasting blooms make excellent cut flowers. Plant 3 or 4 in a 30cm basket and put outside from early May. 49 JOIN TODAY. Multi-headed and Praestans Tulips. Dobies jumbo plugs are nurtured from cuttings to provide you with fantastic value for minimal effort. If the weather is cool on arrival, pot on for 2/3 weeks before transplanting in to a basket outside. If you're looking for winter and spring plants and bulbs for colour or you just want some long-lasting perennials and shrubs or clematis, then now's the time to do it! Pansies, Primroses and Polyanthus come as plug plants and Jumbo plugs. Flowering from June to September, make sure to plant them somewhere you will be able to catch their magnificent scent. Supplied as top-quality UK grown plug plants that will arrive in biodegradable protective containers. Jumbo plugs which are 110cc in size and 125cc root trainers. Sold. Alstroemeria plants come in eye-catching colours of purple, red, orange and white! Alstroemerias flower between June and October, providing an impressive display in borders, containers, and cottage gardens. Dobies jumbo plugs are nurtured from cuttings to provide you with fantastic value for minimal effort. Be careful not to overwater your Geranium plug plants. 99. 5″ (9cm) pots. Care Guide. Parrot Tulips. Boston Seeds offer a large range of British wild flower meadow plants, all produced to the highest standards from native UK seed. SKU: annual-bedding-7255188832416 Categories: All Annual Bedding, ANNUAL BEDDING, Annuals, Begonias, EXPLORE ANNUAL BEDDING, Trailing Plants For Hanging Baskets Tags: Eventual Size_Medium, Flower Colour_Pink, Flowering_June,. 99Order three jumbo plug plants for £9. Cost-effective – While the upfront cost of plug plants is slightly higher than seeds, they often prove more cost-effective in the. • After loading the plant early, you will want to avoid too much NH 4 + P, or stretched plants and soft growth will result. Black Knapweed (Centaurea nigra) plug plants £1. Aside from Mint Marokko, these plants are borderline hardy and should be given winter protection. Your basket is currently empty. Jumbo Plug Plants; Garden Ready Plants; Social . See how they compare…. Item 400459 supplied as: 12 x Plug Plants. Plant Size Mature Height: 200 cm Mature Spread: 100 cm Planting Notes Planting: Plant in a hole deep enough to accommodate the plug. flowering time: mid-May to late autumn. 70% (4 Reviews) Garden Club Members Price: £22. 99) Geranium Lucky Dip Selection plug plants from Thompson & Morgan - experts in the garden since 1855. Buy Now. 7in) Hardiness & Longevity Hardy Perennial. To order, call 0330 333 6790, quoting ref GU532, or go to our Readers’ Offers page. For instant texture and interest try our slightly larger potted bedding plants. Resists cracking and has excellent yeild with shorter (90-day) groing period. Pot up pelargonium plants and grow them on in warm frost-free conditions. The fragrant stems are ideal for cutting or drying. Alternatively, you can plant these plugs directly outdoors if the weather permits (all risk of frost is gone). Item 400072 supplied as: 12 x plug plants. 99. 20% tax) 40 In Stock. 00 10 Jumbo Plug Plants Out of Stock - Click here to get notified when back in stock! Plug Plants. Supplied as 12 plug plants, including two of each named variety, ready to grow on before planting out. Ideal for cutting or drying. With drainage holes. 99Alstroemeria Summer Trio Garden Plant Hardy Perennial Flowering Garden Plants Easy to Grow Your Own 3X Jumbo Plug Plants by Thompson and Morgan 3. 5-9cm (3-3½ in) pots of multi-purpose compost. Buy Now. 1 Jumbo Plug Plant £9. 99 or six for £16. Begonia Jumbo Plug Plants Duo, Summer Flowering Bedding, Scented Flowers, Hanging Baskets & Patios, 4 x Begonia Fragrant Falls Duo Jumbo Plug Plants by Thompson & Morgan 3. Our mini-plugs are also excellent value, with prices starting at just 9p per mini. For temporary and long-term planting pots, Greenhouse Megastore is your go-to source. Select from seed flats, cell plug flats, and jumbo plug flats. Height: 15-25cm (6"-10") Position: Full Sun or Partial Shade. This vigorous, trailing variety has the exceptional garden performance of other ivy-leaf geraniums, but their unique flower form. This RHS Award of Garden Merit winner is a wonderful choice for your allotment or vegetable gardens. Buy Now. 48 USDA Forest Service Proceedings RMRS-P-50. Digitalis Arctic Fox Rose 9cm Garden Ready Plant. Roots Plants Geranium Sunflair Ruben 'Dark Red' Jumbo Plug Plants quantity Add to cart SKU: annual-bedding-7255189258400 Categories: All Annual Bedding , ANNUAL BEDDING , Annuals , Geraniums , Geraniums & Pelargoniums , PERENNIAL PLANTS , Perennials Tags: Flower Colour_Red , Flowering_May , Habit_Upright , Sun_Full Sun , Sun_Partial Shade 1 x 150g Pack - £8. Growing at a glance… Dead-head regularly to prolong flowering. Name: SunPatiens® Compact Blush Pink X 6 Jumbo Plug Plants. Pot up petunia plants on delivery and grow them on in warm frost-free conditions for transplanting. Your plugs will need potting on into a 9 or 10cm pot and growing on in a greenhouse or on a sunny windowsill. Our 'Hybridisers' mix brings welcome early colour to your garden. Fuchsia Claudia 3 x 6cm Garden Ready Plant the Pot Bedding Plants. When all risk of frost has passed, gradually acclimatise geraniums to outdoor conditions over a period of 7 to 10 days before transplanting them into their final positions in containers, beds and. 4in) Spread Up to 45cm (17. Pot up osteospermum daisies and grow them on in frost free conditions until plants are well grown. Order online for UK. Buy Now. Origanum Vulgare (Common Origano) Pack of 3 Garden Ready 6cm Peat Pots. This delightful zonal Geranium has retained its popularity, most likely for its incredibly long flowering period and drought tolerance. Flower Colour: Pink. 99) ADD TO BASKET. Pot up penstemon plants and grow them on in frost free conditions until plants are well grown. 99Buy Now. Autumn Cottage Garden Bedding Plants from just 5p per plant. What Is Supplied. Half-hardy Perennial. Feed and water geranium plants. This delightful Lavender Munstead bears masses of fragrant blue flowers held on stiff stems. 70 Litres + 210g Pack Of Incredibloom® - £16. 99 £ 10 . 20 Jumbo Plug Plants (KB8426) 10 Jumbo Plug Plants (KB8425) 5 Jumbo Plug Plants (KB8424) How to Grow. 5 Jumbo Plug Plants (KB8578) 10 Jumbo Plug Plants (KB8577) 20 Postiplug Plants (KF4290) Pot up calendula plants and grow them on in frost free conditions for transplanting outdoors later on. Lavandula angustifolia. Lavender Munstead Tray of 40 Plug Plants. 2 Reviews. Beautiful summer flowers. All pictures are to give you guidance as to how the plant may look / flower and depending on how you are viewing our products and your screen settings some colour variations may occur to that seen in real life. Available to order online now in the UK. 99 Test Name: CATS OFF PLUG PLANTS - SCAREDY CAT PLUG PLANTS - Coleus canina hybrid X 5 Plugs Plants **AVAILABLE FROM MAY TO SEPTEMBER AS PLUG PLANTS TO GROW ON - KEEP THOSE. What Is Supplied. To make life easier for you, we've put all our discounted lines in one place – a wide selection of Suttons plants. Plants, bulbs, corms, tubers, shrubs, trees. Flowering Cherry tree Prunus Kanzan bare root. Jumbo plugs can be planted straight into baskets or other containers. This range of trailing Begonias are very versatile and will prosper in sun or semi-shade in all weather. 99 ( was £8. 50 plants of this size will be sent to you in a tray, with plants from the assortment that you desire. Plant Size Mature Height: 40 cm Mature Spread: 25 cm Annual Growth: 40 cm Planting Notes Planting: Plant deep enough do that the tip of the module is just covered. Our. Show: View: 1 Results. Plugs Plants & Jumbo Plug Plants – Larger. Lavandula Lavender Munstead Garden Plant Hardy Shrub Flowering Garden Plants Easy to Grow Your Own 3X Jumbo Plug Plant by Thompson and Morgan (3) Lavender Hidcote, Lavandula angustifolia, English Lavender, Hardy Shrub, Fragrant, Purple Blooms, Compact Flower Plants, 12 x Plug Plants by Suttons 6 Plugs (12)Supplied as 24 plug plants, ready to grow on before planting out, including: ‘Decora Red’ x 12 - Vivid red with a darker centre, trailing to 60cm. It is best to take cuttings and divide bidens in the spring. 99 ( was £10. £5. 19. Spread: 60cm (24"). 99. Alstroemeria are hardy perennials, which means they will come back year after year. Buy Now. 7in) Spread Up to 40cm (15. Description. Trails to: 90cm (36"). Jumbo Plugs. The fully double flowers of Begonia 'Nonstop Mixed' come in a boisterous range of shades, that jostle for attention in containers, beds and borders. 3cm jumbo plug plants supplied. Step 3. Each "Jumbo Plug" will typically need between 1 and 3 Litres of. Colourful, Drought tolerant plants from. When plants are well developed and all risk of frost has passed, gradually acclimatise them to outdoor conditions over 7 to 10 days before planting. Super plugs/Jumbo plugs. £8. Pot up Alstroemeria plants and grow them on in frost free conditions. Osteospermum Hardy Garden Plants, Summer Flowering Perennial, Drought Tolerant, Low Maintenance Plants, 3 x Osteospermum Snow Pixie Jumbo Plug Plants by Thompson & Morgan 4. Catalogue Quick Shop Request a Catalogue Wish list Cultural Info. Ideal For patio kitchen garden cottage gardens wildlife gardens cut flower garden coastal garden. Registered Company Number: 07864712. Petunia Duo Red and White (Double Petunias) Tray of 40 Plug Plants. All of our plug plants are dispatched via our unique posting solution ensuring no or very limited plastic is used so no bulky plant buster packets!UK-grown 3cm jumbo plug plants supplied. Nursery grown plug plants grown from our own vegetable seeds. Fosteriana Tulips. Buy Now. 10 Jumbo Plug Plants (KB8533) 5 Jumbo Plug Plants (KB8532) 1 x 9cm Potted Plant (Pure White) (KF7437) 1 x 9cm Potted Plant (Salmon Rose) (KF7435) 1 x 9cm Potted. Nectar-rich flowers are particularly attractive to bees. For the last few years I have been removing the grow mesh from plug plants, and have certainly had better rooted plants as a result. We grow everything in peat free compost. Pot up meconopsis. Prepared Hyacinth (Indoor Flowering) Spring Flowering Bulbs. 60 x Jumbo Plugs | Colourful Calibrachoa Collection | Hand-Picked By Experts $ 60. Impatien Beacon Mixed (Busy Lizzie) Tray of 40 Plug Plants. KB8553. £14. Quick View. 6 Jumbo Plug Plants (KB9431) 12 Jumbo Plug Plants (KB9458) How to Grow. 99) ADD TO BASKET. Green base measures: 14 7/8'' long x 9 1/2'' wide x 2 1/4'' high. Those crops that will be in flats longer may benefit from being started in 20-row flats and "potted up" into plug flats or propagation flats. Begonia semp. 99 JOIN TODAY. 99. £10. We recommend that you keep your plug plants quite dry in the early stages of growing to encourage root. 5. Buy Now. As the long stems increase in length, tie them onto a support such as a freestanding climbing frame, using soft twine to train them. 99 £ 21 . Please note: This product cannot be delivered outside the United Kingdom. The best plug plants for your garden, including annuals, perennials, veg, salad and wildflowers, recommended by the experts at Gardens Illustrated magazine. The value is superb - each plant costs as little as 9p!Plug plants are small, young plants grown in cell trays. l Buy 5 jumbo plug plants of calendula ‘Power Daisy Tango’ for £7. Plant 'en-masse' for a stunning border feature. Related Categories: Jumbo Plugs | Potted. 49 £9. KF7278. A soil mark is often visible on the stem, indicating the original planting depth at the nursery. but jumbo plugs can be planted straight into the soil. Buy Now. Quick Facts: Supplied as: Tray of 40 Plug Plants. Supplied as UK grown 3cm jumbo plugs. 4in) Spread Up to 45cm (17. These trailing ivy-leaf geraniums look incredible spilling from window boxes and hanging baskets. More Info. What's more, as they establish and mature, they get bigger each year to become increasingly impressive. Pot up pelargonium plants and grow them on in warm frost-free conditions. FROM £8. 50. Choose from begonia plug plants in a variety of sizes, or pick up a potted house plant. 2") in diameter. Jason Harker. 10 Jumbo Plug Plants (KF1765) 5 Jumbo Plug Plants (KF1764) How to Grow. When you’re ready, plant your plug plants using plenty of fertile soil or compost, choosing a sunny, sheltered spot or pot on into slightly larger pots to develop. Trailing Begonias. Supplied as 12 plug plants, ready to grow on before planting out. When plants are well developed and all risk of frost has passed, gradually acclimatise them to outdoor conditions over 7 to 10 days. Perennial plants may also be described by the volume of soil the pot holds. UK-grown 3cm diameter jumbo plug plants supplied. In our range, you'll find an array of wild flower plug plants as individual species or in plant collections , each of which is specifically designed to serve a particular purpose and contain at least. Once the leaves begin to show, pot on into larger pots filled with John Innes No. 1 x 150g Pack - £8. 76% (77 Reviews) Garden Club Members Price: FROM £5. 1 x 750g Pack - £10. 99. Registered Company Name: You Garden Limited trading as Gardening Direct Registered Company Address: Eventus House, Sunderland Road, Market Deeping, Peterborough, PE6 8FD. 2 out of 5 stars 8 £14. Plugs are well-rooted young plants in a small ball of compost. Rembrandt Tulips. Collections of British wildflower plants. Bluebells (Scillla) Cyclamen. 1 Pair - £6. 99. T&M's own breeding. l Buy 10 calendula jumbo plug plants (5 of each) for £14. Hardy Perennial. 99. Securely rooted, strong plants in mini-plugs of compost. A mass of miniature bell-shaped flowers will bloom from June to October, that are similar in appearance to Petunia and will cascade from 50cm to 60cm. Description. Manufacturer Brand name Container Growing media Plug sizes International Horticultural Q Plug® Pre-filled 3Patented peat. Jumbo plugs – also called garden-ready plugs, these are the largest, at 8-12cm from base to tip. 5in) Spread Up to 50cm (19.