Hardy Perennials

Thymus serpyllum is one of the most versatile groundcovers. Forming dense evergreen cushions of flowers these low maintenance plants don’t require mowing, watering or care, and can take a lot of abuse. Its leaves can be used as a culinary herb and its uses in the garden are almost unlimited.

Thalictrum lucidum is a less well known species of meadow rue, it sports luscious deep green, fern-like foliage. In mid-summer the plant is festooned with a superb array of fragrant flower stems, topped with airy puffs of soft cream flowers each with bright yellow stamens.

Thalictrum aquilegifolium 'Purpureum' features a basal clump of lacy, blueish-green foliage topped by a hazy, fuzzy show of purple flowers. They produce a shimmering hazy effect in beds and borders wildflower gardens or meadows. Both leaves and flowers are good for flower arrangements.

Summer-blooming spiky flowering plants - in garden design parlance ‘the verticals’. We all need some, and there are lots of contenders, but a plant that can go just about anywhere in the garden, cope with almost all situations and bloom with copious plush spikes over several weeks is a very rare treat.

Related to Heuchera and Tiarella, Tellima grandiflora form a tidy clump of rounded leaves and are topped by lime-green airy spires. They make excellent groundcover, thrive in shade between flowers in a border and make a good filler for separating strong shapes or bright colours.

Stipa capillata 'Bridal Veil' is one of the prettiest perennial grasses. Forming a dense, glossy green clump of foliage they bloom in summer with beautiful upright plumes. The hair-like awns are at first clear green, and as they mature they turn a beautiful silvery-white.

What can I say? Its a plant you can pet!...Bees love it…children love it….and you just have to stoke it on the way past! Lambs' ears is a well-known ground-covering perennial, popular for its soft, fluffy foliage, plus, it’s a great silver accent in between all the green going on in the garden.

Sporobolus displays a magnificent fountain of fine textured, emerald-green leaves which develop rich shades of reddish-gold or deep orange in the autumn, but the great joy of this plant is that it produces a great cloudy haze of tiny flower heads. Numerous stalks with delicate, open panicles shoot up and over the clump.

Solidago canadensis 'Golden Baby' is an easy to grow hardy perennial that bears flat-topped clusters of golden-yellow plumes. Growing to around 60cm tall they are perfect for borders or containers and provide end-of-season colour. Given an early sowing they will bloom in their first year.

Whether planted in large numbers or used as a single specimen Sempervivum are both beautiful and enduring. A selection of winter hardy species, the sheer variation of colour, texture and size of these fascinating succulents is almost infinite and their tendency to produce offsets makes for easy increase.

Sedum Roof Garden Mix is a formula mixture of many important varieties for roof gardens in full foliage and flowering colour range. Low maintenance, durable and interesting, grow them on walls or banks, as a ground cover or as a green roof. Sedum strut their stuff where many other plants dare not venture!

A mixture of many attractive low-growing sedum varieties representing a wide range of foliage types and flower colours. Low maintenance, durable and interesting, grow them on walls or banks, as a ground cover or as a green roof. Sedum strut their stuff where many other plants dare not venture!

Sedum Ruben's Lizard is a low-growing sedum that has tight, rosy-green cushion of needles with reddish tips. Throughout the summer the plant is covered with many tiny, star-shaped white flowers. Drought and heat tolerant or low maintenance, whatever you want to call it, 'Lizard' takes a lot of abuse.

Sedum ussuriense is at its best in late summer and through autumn, the blue-green succulent, rounded leaves are followed by a glowing display or carmine-red flower clusters. It even pleases the eye in winter when its seed heads turn into a stage for dew drops and ice crystals.

Hugely impressive in any garden, Sedum telephium ‘Emperors Wave’ boasts succulent, blue-green foliage and masses of star-shaped flowers in glorious shades of deep pink and purple. They are popular with late season perennials and ornamental grasses. The extreme contrast in flower shape enhance each other, adding to the textures and colours of the late season garden.

Sedum spurium 'Voodoo' is a stunning little perennial groundcover for hot, sunny locations. The intense dark mahogany foliage that provides a stunning contrast to the almost neon, luminous rosy-red flowers which appear June through August.

Sedum spurium coccineum is the most robust sedum, with deep crimson blooms and bronze-green leaves. Low maintenance, durable and interesting, they enhance the appearance of green roofs, rockeries and containers. In July, dense clusters of showy crimson blooms smother the evergreen plants.