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Perfect Perennial Collection

Hardy Perennial

What is Hardy Perennial?
A plant that lives for more than two years.
Capable of withstanding outdoor winter temperatures down to -15C.


60% (55 Reviews)
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A generous collection of well-loved perennials

Ideal for starting a new border or dotting through existing planting schems

Grow bigger and better with each passing year

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Please note: This product cannot be delivered outside the United Kingdom.

Flowering Months

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Our Perfect Perennial Collection brings together a reliable mix of some of our favourite herbaceous plants. This generous collection will provide all the perennials that you will need to create a new border from scratch or simply fill the gaps in existing planting schemes. These summer flowering perennials provide colour and interest, getting bigger and better with each passing year.

This collection is supplied as plug plants to make it so affordable! Simply pot up the plants and grow them on in frost free conditions. By late spring they will have made good sized plants that can be transplanted to their final positions in the garden.

Perfect Perennial Collection comprises 6 each of:

  • Achillea millefolium 'Cerise Queen'  - Easy to grow, even on poor dry soils, and ideal for wildlife gardens where it attracts butterflies and other insects. Height: 60cm (24"). Spread: 60cm (24").
  • Aquilegia caerulea ‘Mrs Scott Elliot Mixed' - Nodding spurred blooms, in a range of pretty colours are carried delicately on tall wiry stems. Height: 60cm (24"). Spread: 40cm (16").
  • Delphinium ‘Dark Blue & White Bee’ - Intense dark blue flowers, each with an unusual white "bee" shape at the centre! Height: 90cm (36"). Spread: 30cm (12").
  • Dianthus barbatus ‘Rockin Red’ - This new interspecific hybrid brings the strongest shade of red we’ve seen in a Sweet William. Height: 50cm (20"). Spread: 30cm (12").
  • Foxglove ‘Dalmatian Mixed’ - These short lived perennials will happily seed about to create dramatic drifts and attract wildlife to their nectar rich flowers. Height: 50cm (20"). Spread: 40cm (16").
  • Leucanthemum ‘Crazy Daisy’ - Wonderfully frilly, white, daisy-like blooms with soft buttery yellow centres that perch on upright stems. Height: 60cm (24"). Spread: 45cm (18").
  • Salvia nemorosa ‘Salvatore Deep Blue’ - A striking perennial for planting at the front of free draining borders, where it will mingles beautifully as part of a cottage garden planting scheme. Height: 35cm (14"). Spread: 30cm (12").
  • Geum ‘Mrs J. Bradshaw’ - Well-loved and consistently popular, this variety bears flame-red, semi-double blooms on thin wiry stems. Height and spread: 60cm (24").
  • English Lavender - Add fragrance and beauty to your garden with this fabulous English Lavender. The fragrant flowers are highly attractive to pollinators like bees and butterflies, and excellent for cutting and drying. Height and spread: 60cm (24").
  • Verbena ‘Buenos Aires’ - The long lasting blooms of the stunning variety are guaranteed to attract clouds of bees and butterflies into your garden. Height: 120cm (48"). Spread: 60cm (24").
  • and 12 Nurseryman's Choice Perennial plants - Perennial plants bloom year after year, and many can also be cut and brought into the house for beautiful flower arrangements, we will send you a variety of our chice which will perfectly complement the rest of the collection.

72 perennial plug plants (KC3001)
144 perennial plug plants (KC8871)

How to Grow
Pot up plants and grow them on in frost free conditions until all risk of frost has passed. When plants are well grown, gradually acclimatise them to outdoor conditions over 7 to 10 days before transplanting into borders and containers. The herbaceous perennials in this collection can be grown in any moist, fertile soil, in sun or semi shade. Work some compost or general fertiliser into the top 20cm of the soil prior to planting. Please see individual varieties for more information.
More Info
In autumn, cut back the old foliage to ground level and apply a mulch of well rotted manure or garden compost to the base of the plants. Lift and divide overcrowded clumps of perennials in autumn to maintain their vigour. Caution: Contact with Foxgloves may irritate the skin and eyes, and are toxic if eaten. Please see individual varieties for more information.

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 £5.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 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.

Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3


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