{"title":"H6 Very Hardy Plants","description":"RHS H6 plants are very hardy, rated for approximately -20°C to -15°C. These are plants capable of taking markedly cold winters and are well suited to most UK gardens, including colder inland sites and many exposed positions, once established.","products":[{"product_id":"agapanthus-silver-moon","title":"AGAPANTHUS 'SILVER MOON'","description":"\u003cp\u003eAgapanthus 'Silver Moon' is a variegated sport of the 'Headbourne Hybrids' that is noted for its clean creamy-white marginal variegation and beautiful blue flowers from July to September.\u003cbr\u003e\u003cbr\u003eGrowing to a height of 60cm, it performs well in containers or garden beds. This plant is subject to PVR regulations - propagation for resale is prohibited without a license.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"bare-rooted division","offer_id":52818084626774,"sku":"21258.0","price":14.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/9313c956d3e33d0e3d78ed61b7bf896c_AGAPANTHUS__SILVER_MOON__3769.jpg?v=1725099979"},{"product_id":"agastache-linda","title":"AGASTACHE 'LINDA'","description":"\u003cp\u003eDifferent - an airy wiry plant with purple flowers from dark stems and calyces and initially foliage Jun-Oct, short 35cm. Best in non-clay soils.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"1.4L","offer_id":51041200800086,"sku":"5550000002788.0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/2ad0dfb79eb72ddab8545cca21786088_AGASTACHE__LINDA__3555.jpg?v=1725099992"},{"product_id":"carex-oshimensis-everillo","title":"CAREX OSHIMENSIS 'EVERILLO'","description":"\u003cp\u003eA sport from 'Evergold' with echoes of Amarillo. Similar to other yellow grasses but evergreen and indestructible, 30cm. Superb. PVR - propagation for resale prohibited.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Bare-root division","offer_id":53174285861206,"sku":"5550000017850.0","price":8.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/59f17396e8216b981c7179104ea9b17d_CAREX_OSHIMENSIS__EVERILLO__3709.jpg?v=1725100443"},{"product_id":"cynara-cardunculus","title":"CYNARA CARDUNCULUS","description":"\u003cp\u003eCommonly known as Cardoon. A striking perennial with large, ornamental cut silver-grey leaves that remain attractive throughout the year. Growing to a height of 1 metre, its foliage provides a dramatic architectural presence in the garden.\u003cbr\u003e\u003cbr\u003eFrom July to September, it produces scented, edible thistle flowers that can reach up to 3 metres, creating a towering display. This plant is incredibly versatile and provides excellent structure to borders and garden beds. It’s perfect for adding a bold statement to mixed plantings or for use in a Mediterranean themed garden.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Default Title","offer_id":48712863056214,"sku":"5550000025701","price":11.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/40d97cef35444a0e8faf2d4ff89e1d14_CYNARA_CARDUNCULUS_3728.jpg?v=1725100685"},{"product_id":"ficus-carica-brunswick","title":"FICUS CARICA 'BRUNSWICK'","description":"\u003cp\u003eRipe figs Jul-Sep, 4m. Delicious if you like sweet latex flavours. (Better than 'Brown Turkey'.) Large foliage, good as a free-standing tree. A very very old, hardy and prolific English variety renamed from 'Fat Lady' when Caroline of Brunswick acceded.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"2L pot","offer_id":50843048968534,"sku":"5550000033898.0","price":15.0,"currency_code":"GBP","in_stock":true},{"title":"1L pot","offer_id":51029196472662,"sku":null,"price":12.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/1673c70816514f25c6ce1e379d92e76a_FICUS_CARICA__BRUNSWICK__2974.jpg?v=1725100965"},{"product_id":"hedera-colchica-sulphur-heart","title":"HEDERA COLCHICA 'SULPHUR HEART'","description":"\u003cp\u003e(Synonym 'Paddy's Pride'.) Lovely large lime green, yellow and dark green evergreen leaves. Wonderful.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Default Title","offer_id":48712904999254,"sku":"15875.0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/Missing_Image_ef9a89fc-0202-4875-b47d-2d1a85dee42f.jpg?v=1725101125"},{"product_id":"hydrangea-macrophylla-merveille-sanguine","title":"HYDRANGEA MACROPHYLLA 'MERVEILLE SANGUINE’","description":"\u003cp\u003eaka 'Bloody Marvellous'. On my soil amazing deep red mophead flowers age dark slaty-red Jul-Sep, large healthy very dark foliage, 1.5m. Wonderful.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"2L pot","offer_id":50906722271574,"sku":"5550000044719.0","price":23.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/da0efad9db46f427022ce26ca0db4ac8_IRIS_SPURIA__BELISE__2024.jpg?v=1725101252"},{"product_id":"kniphofia-rooperi","title":"KNIPHOFIA ROOPERI","description":"\u003cp\u003eA standout perennial with big, round sunny orange and yellow pokers that bloom from September to November. Reaching up to 1.3 metres in height, this variety is ideal for adding late-season colour to the garden. It thrives in sunny locations and is relatively easy to grow, although it does not tolerate dry shade.\u003cbr\u003e\u003cbr\u003ePerfect for pairing with autumn foliage or creating bold contrasts with Michaelmas daisies, Kniphofia rooperi offers a pseudo-tropical effect that can enhance the vibrancy and diversity of any garden setting. Its stunning colour palette and distinctive flower form make it a favourite among gardeners looking to extend the bloom season into autumn.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"2L","offer_id":52619770495318,"sku":"5647.0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/82b069eabe94c777323c659349ce580d_KNIPHOFIA_ROOPERI_2010.jpg?v=1725101446"},{"product_id":"salvia-blue-note","title":"SALVIA 'BLUE NOTE'","description":"\u003cp\u003eA beautifully bushy perennial that delivers a symphony of deep blue flowers from late spring to autumn (May–November). The blooms sit on elegant dark stems that contrast perfectly with its fresh green foliage, creating a vivid display for over six months. Great for borders or pots.\u003cbr\u003e\u003cbr\u003ePVR - propagation for resale prohibited.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Default Title","offer_id":48713030205782,"sku":"5550000214075","price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/957d22417486b5226f45ecc2ba8c6449_SALVIA__BLUE_NOTE__3472.jpg?v=1725102604"},{"product_id":"salvia-naomi-tree","title":"SALVIA 'NAOMI TREE'","description":"\u003cp\u003eThis is a striking perennial that adds vibrant colour from summer to autumn. Its two-toned flowers feature deep purple-blue petals with a contrasting white lower lip, creating a captivating display. The aromatic, dark green foliage releases a pleasant scent when touched. A favourite among bees and butterflies, it enhances wildlife gardens. Hardy to RHS zone H4, it prefers full sun and well-drained soil, growing up to 60 cm tall and 45 cm wide, perfect for borders or containers.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Default Title","offer_id":48713030402390,"sku":"5550000596980.0","price":12.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/Missing_Image_92426233-5cde-4c8f-aae4-bde1641fcc9f.jpg?v=1725102607"},{"product_id":"sarcococca-confusa","title":"SARCOCOCCA CONFUSA","description":"\u003cp\u003eGlossy dark evergreen leaves good as cut foliage. Clusters of virtually invisible but highly scented green flowers that, on the right winters day, will fill a garden with scent, Dec-Feb, neat 75cm. Easy, even dry shade.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"1L pot","offer_id":51907880911190,"sku":"5550000074174.0-1","price":9.0,"currency_code":"GBP","in_stock":true},{"title":"2L pot","offer_id":51907880943958,"sku":"5550000074174.0-2","price":12.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/beea3d944fbec5e717fba98dba75b702_SARCOCOCCA_CONFUSA_3351.jpg?v=1725102710"},{"product_id":"agapanthus-caulescens-subspangustifolius","title":"AGAPANTHUS CAULESCENS subsp.ANGUSTIFOLIUS","description":"\u003cp\u003eVERY tall straight stems, blue flowers Jul-Sep, 2m, deciduous.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"bare-rooted division","offer_id":52619787206998,"sku":"0","price":12.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/AgapCA111_1ad853f0-62c0-4337-916c-c3a5a2442687.jpg?v=1733261177"},{"product_id":"beschorneria-septentrionalis","title":"BESCHORNERIA SEPTENTRIONALIS","description":"\u003cp\u003eAn exotic yet surprisingly hardy perennial, originally collected from high-altitude, winter-cold regions of Northern Mexico. This stunning plant forms a low evergreen rosette, from which bold, electric-pink stems emerge between April and July, adorned with green and pink-tinged flowers.\u003c\/p\u003e\n\u003cp\u003eFlowering when young and then biennially, this unique species brings an architectural and tropical touch to gardens, despite its ability to withstand cooler climates. Perfect for sheltered borders, gravel gardens, or container planting.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"1L pot","offer_id":51029242872150,"sku":"0-2","price":11.5,"currency_code":"GBP","in_stock":false},{"title":"3L","offer_id":51029242839382,"sku":"0-1","price":17.99,"currency_code":"GBP","in_stock":true},{"title":"2L","offer_id":52964064723286,"sku":"0-3","price":15.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/BescSp135_6af81863-2743-4f8d-b07f-8bc347673193.jpg?v=1733265702"},{"product_id":"gladiolus-byzantinus","title":"GLADIOLUS BYZANTINUS","description":"\u003cp\u003eElegant spikes of vivid magenta pink flowers in early summer, rising to around 60cm on wiry stems. Slender, sword shaped leaves appear in spring, fading after flowering.\u003cbr\u003e\u003cbr\u003eA hardy, long lived plant that naturalises well in grass, borders, or under light deciduous shade. Particularly good in warm, sheltered spots where it will multiply steadily and flower reliably year after year.\u003c\/p\u003e\n\u003cp\u003eThis is the true form - not the Dutch version.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Bare-rooted bulb","offer_id":52475060519254,"sku":"0","price":5.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/GladBy280_b2283634-457b-4bc3-8e61-0bfd67706e37.jpg?v=1733274245"},{"product_id":"helleborus-annas-red","title":"HELLEBORUS 'ANNA'S RED'","description":"\u003cp\u003eDeep glossy red outfacing flowers (Dec)Jan-Apr, good dark marbled foliage which starts pink-flushed, 50cm. A Rodney Davey hybrid.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"1L","offer_id":52682612441430,"sku":"0","price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/HellAnnaR260_d1f97c20-a6a6-4fbc-bf5b-a37c19bce3ca.jpg?v=1733275157"},{"product_id":"ipheion-alberto-castillo","title":"IPHEION 'ALBERTO CASTILLO'","description":"\u003cp\u003eAS SEEN ON GARDENERS’ WORLD April 2026. We’ve been selling this Ipheion for 31 years - an old favourite of ours! Distinctive large violet-scented white flowers (Nov)Feb-May amongst grey garlic-scented leaves, 18cm. Easy (even in our heavy clay), special.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Bare-rooted snooker ball-sized, clump (in the green) (nail varnish not included)","offer_id":52311058645334,"sku":"0","price":7.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/6EBB0437-E53E-4F70-936C-D22D24F72745.jpg?v=1775722005"},{"product_id":"ipheion-judy","title":"IPHEION 'JUDY'","description":"\u003cp\u003eA delicate and beautifully detailed spring flowering bulb, producing large starry white blooms lined and shaded with deep blue Feb-April. These elegant flowers sit above soft, grey-toned foliage, adding a refined touch to early borders, rockeries, and containers.\u003cbr\u003e\u003cbr\u003eAt just 15cm tall, ‘Judy’ is a compact yet eye catching variety. A seedling selected here from the well-known Ipheion 'Alberto Castillo', offering both novelty and grace. Hardy and easy to grow, it thrives in well-drained soil and bright spots, naturalising gently over time.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Fist-sized division","offer_id":52063073632598,"sku":"0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/IphBSh260_9a5b7f3b-12e2-4c7e-8a22-6423cd033953.jpg?v=1733277175"},{"product_id":"ipheion-uniflorum-charlotte-bishop","title":"IPHEION UNIFLORUM 'CHARLOTTE BISHOP'","description":"\u003cp\u003eIpheion uniflorum 'Charlotte Bishop' is a charming, low-growing bulb that produces soft pink, star shaped flowers from late winter through spring (January–May). Reaching just 15cm, it's ideal for edging, rock gardens, or containers, where its colour and early blooms brighten the duller months. Reliable, low maintenance and a little different from the usual - a great way to add interest to small spaces.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Bare-rooted division (fist-sized)","offer_id":52603074150742,"sku":"0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/IpChBi320_50f13481-5325-45a2-812b-35154084683c.jpg?v=1733277192"},{"product_id":"ipheion-uniflorum-wisley-blue","title":"IPHEION UNIFLORUM 'WISLEY BLUE'","description":"\u003cp\u003eViolet-scented blue flowers Oct-May (overwinter), garlic scented grassy leaves, 15cm. Easy.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"fist-sized division","offer_id":52063084609878,"sku":"0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/IphWsB320_a711ae03-dc8b-44b0-b796-10688fd35dbe.jpg?v=1733277201"},{"product_id":"kniphofia-caulescens","title":"KNIPHOFIA CAULESCENS","description":"\u003cp\u003eBlue-green leaves, red and pale yellow pokers Jul-Sep, 1.2m.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Default Title","offer_id":49429702574422,"sku":"0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/KnipCaul270_483b1d19-aa7b-45bb-8798-ed5e92b49da0.jpg?v=1733278064"},{"product_id":"liriope-muscari-okina","title":"LIRIOPE MUSCARI 'OKINA'","description":"\u003cp\u003eStartling ghostly white smoked variegated evergreen foliage with a thin green edge Apr-Jun greens-up as the season progresses, spikes of purple flowers Aug-Nov, 30cm.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"Bare-rooted division (fist-sized)","offer_id":51001722274134,"sku":"0","price":8.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/LirMOk51_2f9116e6-858e-4fc7-8ca8-1b9d1775c847.jpg?v=1733279386"},{"product_id":"miscanthus-sinensis-purple-fall","title":"MISCANTHUS SINENSIS 'PURPLE FALL'","description":"\u003cp\u003eThe whole plant colours red in autumn, Usually  1.5m. but on my clay only 75cm.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"1L","offer_id":52316404220246,"sku":"0","price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/MiscSPFall340_fd12a751-968e-4c35-aa91-dc019bba38fe.jpg?v=1733280468"},{"product_id":"rosa-buff-beauty","title":"ROSA 'BUFF BEAUTY'","description":"\u003cp\u003eTrusses of full warm apricot yellow scented flowers, good dark foliage, sturdy growth. 2m x 2m. 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We've been asked what the blue Kniphofia is.\u003c\/p\u003e","brand":"Cotswold Garden Flowers","offers":[{"title":"9cm deep pot","offer_id":52401685168470,"sku":"0","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/files\/ScilHy213_26dc60dc-ddfb-4a9f-ae12-a3daaf66f168.jpg?v=1733288574"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/4984\/2006\/collections\/rhododendron-growing-guide-7109537_01b-34450d9a857047e5a2d0b2a99eb1fa1c.jpg?v=1740948540","url":"https:\/\/cotswoldgardenflowers.co.uk\/collections\/h6.oembed?page=2","provider":"Cotswold Garden Flowers","version":"1.0","type":"link"}