{"product_id":"green-roof-wildflower-seeds","title":"UGR Green Roof Wildflower Seed Mix – 30g","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003ch3\u003eCreate a colourful, wildlife-friendly green roof\u003c\/h3\u003e\n\u003cp\u003eUGR Green Roof Wildflower Seed Mix is a specially selected blend of British native wildflowers and herbs developed for green roof environments.\u003c\/p\u003e\n\u003cp\u003eThe mixture contains no grass seed and includes up to 30 mainly low-to-medium-height species suited to low-depth, low-fertility growing media. Once established, the varied flowers can provide colour and habitat while attracting bees, butterflies and other native pollinating wildlife.\u003c\/p\u003e\n\u003cp\u003eEach 30g pack covers approximately 10m² when sown at the recommended rate of 3g per square metre.\u003c\/p\u003e\n\u003ch3\u003eDeveloped specifically for green roofs\u003c\/h3\u003e\n\u003cp\u003eGreen roof conditions can be challenging for ordinary planting, with shallow growing media, lower nutrient levels and greater exposure to sun and wind.\u003c\/p\u003e\n\u003cp\u003eThis mixture has been selected for those conditions and can be used to establish a biodiverse planted surface on suitable extensive or intensive green roof substrate.\u003c\/p\u003e\n\u003cp\u003eIt is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDomestic green roofs\u003c\/li\u003e\n\u003cli\u003eSheds and garden rooms\u003c\/li\u003e\n\u003cli\u003eExtensions and garages\u003c\/li\u003e\n\u003cli\u003eCommercial roof areas\u003c\/li\u003e\n\u003cli\u003eBiodiverse extensive green roofs\u003c\/li\u003e\n\u003cli\u003eLow-fertility wildflower planting\u003c\/li\u003e\n\u003cli\u003eNew green roof systems requiring seed-based planting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eA varied native wildflower mixture\u003c\/h3\u003e\n\u003cp\u003eThe mixture may include the following British native wildflowers and herbs:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAgrimony – Agrimonia eupatoria\u003c\/li\u003e\n\u003cli\u003eBird's-foot trefoil – Lotus corniculatus\u003c\/li\u003e\n\u003cli\u003eBladder campion – Silene vulgaris\u003c\/li\u003e\n\u003cli\u003eBulbous buttercup – Ranunculus bulbosus\u003c\/li\u003e\n\u003cli\u003eCommon knapweed – Centaurea nigra\u003c\/li\u003e\n\u003cli\u003eCommon poppy – Papaver rhoeas\u003c\/li\u003e\n\u003cli\u003eCommon toadflax – Linaria vulgaris\u003c\/li\u003e\n\u003cli\u003eCorn chamomile – Anthemis arvensis\u003c\/li\u003e\n\u003cli\u003eCorn marigold – Glebionis segetum\u003c\/li\u003e\n\u003cli\u003eCorncockle – Agrostemma githago\u003c\/li\u003e\n\u003cli\u003eCornflower – Centaurea cyanus\u003c\/li\u003e\n\u003cli\u003eCowslip – Primula veris\u003c\/li\u003e\n\u003cli\u003eField forget-me-not – Myosotis arvensis\u003c\/li\u003e\n\u003cli\u003eField pansy – Viola arvensis\u003c\/li\u003e\n\u003cli\u003eField scabious – Knautia arvensis\u003c\/li\u003e\n\u003cli\u003eHoary plantain – Plantago media\u003c\/li\u003e\n\u003cli\u003eKidney vetch – Anthyllis vulneraria\u003c\/li\u003e\n\u003cli\u003eLady's bedstraw – Galium verum\u003c\/li\u003e\n\u003cli\u003eMeadow buttercup – Ranunculus acris\u003c\/li\u003e\n\u003cli\u003eMusk mallow – Malva moschata\u003c\/li\u003e\n\u003cli\u003eOxeye daisy – Leucanthemum vulgare\u003c\/li\u003e\n\u003cli\u003ePerforate St John's wort – Hypericum perforatum\u003c\/li\u003e\n\u003cli\u003eRibwort plantain – Plantago lanceolata\u003c\/li\u003e\n\u003cli\u003eRough hawkbit – Leontodon hispidus\u003c\/li\u003e\n\u003cli\u003eSalad burnet – Sanguisorba poterium\u003c\/li\u003e\n\u003cli\u003eScentless chamomile – Tripleurospermum inodorum\u003c\/li\u003e\n\u003cli\u003eSelfheal – Prunella vulgaris\u003c\/li\u003e\n\u003cli\u003eViper's bugloss – Echium vulgare\u003c\/li\u003e\n\u003cli\u003eWhite campion – Silene latifolia\u003c\/li\u003e\n\u003cli\u003eWild marjoram – Origanum vulgare\u003c\/li\u003e\n\u003cli\u003eWild mignonette – Reseda lutea\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe exact species and proportions can vary according to seed availability, so the mixture should not be represented as having a permanently fixed composition.\u003c\/p\u003e\n\u003ch3\u003eCoverage and sowing rate\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePack size: 30g\u003c\/li\u003e\n\u003cli\u003eRecommended sowing rate: 3g\/m²\u003c\/li\u003e\n\u003cli\u003eApproximate coverage: 10m²\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMeasure the area of prepared growing substrate rather than the total roof area. Exclude pebble borders, outlets, perimeter details and any other areas that will not be seeded.\u003c\/p\u003e\n\u003ch3\u003ePreparing the growing medium\u003c\/h3\u003e\n\u003cp\u003eThe seeds must be sown onto a suitable green roof substrate. Before sowing:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eComplete the waterproofing, drainage and green roof build-up.\u003c\/li\u003e\n\u003cli\u003eAdd the specified growing substrate.\u003c\/li\u003e\n\u003cli\u003eLevel the growing medium across the planted area.\u003c\/li\u003e\n\u003cli\u003eRake the surface to a fine tilth.\u003c\/li\u003e\n\u003cli\u003eRemove large stones, debris and unwanted plant growth.\u003c\/li\u003e\n\u003cli\u003eEnsure the surface is moist but not waterlogged.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe mixture can be used with different growing media. Extensive substrate is particularly suitable for shallow green roof seeding, while a deeper, more fertile intensive substrate may provide slightly improved germination. The datasheet describes extensive substrate depths of approximately 60–200mm and intensive substrate depths of approximately 200–1,000mm.\u003c\/p\u003e\n\u003ch3\u003eSowing the wildflower seeds\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSow during spring or autumn wherever possible.\u003c\/li\u003e\n\u003cli\u003eDivide the seed into smaller portions to help achieve an even distribution.\u003c\/li\u003e\n\u003cli\u003eScatter the seed evenly across the levelled, finely raked substrate.\u003c\/li\u003e\n\u003cli\u003eSow at approximately 3g per square metre.\u003c\/li\u003e\n\u003cli\u003eLeave the seed on the prepared surface rather than mixing it deeply into the growing medium.\u003c\/li\u003e\n\u003cli\u003eWater the area lightly after sowing.\u003c\/li\u003e\n\u003cli\u003eKeep the substrate sufficiently moist during establishment without allowing it to become waterlogged.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eSpring-sown seed may require occasional watering through the summer so that the seed and young plants do not dry out. Watering is best carried out during the morning or evening.\u003c\/p\u003e\n\u003ch3\u003eWhen will the wildflowers appear?\u003c\/h3\u003e\n\u003cp\u003eSome growth should normally be visible during the first year, depending on the sowing date, weather, substrate and watering.\u003c\/p\u003e\n\u003cp\u003eSome perennial species require a period of frost and thaw before they germinate successfully. As a result, the roof may produce a stronger or more varied display during its second year.\u003c\/p\u003e\n\u003cp\u003eWildflower establishment is a gradual natural process rather than an instant planted finish.\u003c\/p\u003e\n\u003ch3\u003eMaintaining the wildflower roof\u003c\/h3\u003e\n\u003cp\u003eFrom March onwards, allow the developing vegetation to grow without regular cutting.\u003c\/p\u003e\n\u003cp\u003eAfter the flowers have finished and the seed heads have dispersed naturally, cut back the vegetation in late autumn and remove the clippings from the roof.\u003c\/p\u003e\n\u003cp\u003eRemoving the cut material helps prevent excessive nutrients building up within the growing medium and keeps the area suitable for wildflowers adapted to lower-fertility conditions.\u003c\/p\u003e\n\u003cp\u003eOnce the seedlings are established, gradually reduce routine watering, although additional water may still be required during prolonged dry periods.\u003c\/p\u003e\n\u003ch3\u003eComplete the perimeter\u003c\/h3\u003e\n\u003cp\u003ePebbles can be used around the perimeter, drainage outlets and roof penetrations to keep vegetation and substrate away from important drainage details — \u003ca href=\"\/products\/green-roof-border-pebbles\"\u003eUGR Green Roof Border Pebbles – 20kg Bags\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor a neat separation between the planted area and pebble border, use \u003ca href=\"\/products\/green-roof-edge-trim\"\u003eUGR Aluminium Green Roof Edge Trim – 1m\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eImportant suitability note\u003c\/h3\u003e\n\u003cp\u003eThese seeds must be sown onto a suitable prepared green roof substrate. They should not be applied directly to waterproofing, drainage membrane, protection fleece, pebbles or another surface that cannot support plant establishment.\u003c\/p\u003e\n\u003cp\u003eThe exact species present, germination rate and finished appearance will vary according to seasonal conditions, seed availability, substrate, moisture and ongoing maintenance.\u003c\/p\u003e\n\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Product type\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Green roof wildflower seed mixture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Pack size\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 30g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Approx. coverage\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 10m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Recommended sowing rate\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 3g\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Composition\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 100% wildflower seed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Grass content\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e None\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Species\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Up to 30 British native wildflowers and herbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Preferred sowing periods\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Spring or autumn\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Wildlife value\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Attracts native pollinating species\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Important variation\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Species and proportions may vary by availability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch6\u003eFAQs\u003c\/h6\u003e\n\u003ch4\u003eHow much area will one 30g pack cover?\u003c\/h4\u003e\n\u003cp\u003eApproximately 10m² at the recommended 3g\/m².\u003c\/p\u003e\n\u003ch4\u003eDoes the mixture contain grass seed?\u003c\/h4\u003e\n\u003cp\u003eNo. It is 100% wildflower seed and contains no grasses.\u003c\/p\u003e\n\u003ch4\u003eWhen should I sow the seeds?\u003c\/h4\u003e\n\u003cp\u003eSpring and autumn are preferred. Water lightly after sowing and keep the substrate from drying out during establishment.\u003c\/p\u003e\n\u003ch4\u003eWill every listed wildflower be present?\u003c\/h4\u003e\n\u003cp\u003eNot necessarily. The mix contains up to 30 species, but exact species and proportions vary with seed availability.\u003c\/p\u003e\n\u003ch6\u003eHelp\u003c\/h6\u003e\n\u003ch3\u003eNeed help planning a wildflower green roof?\u003c\/h3\u003e\n\u003cp\u003eUnsure how much seed you need or whether your substrate and roof build-up are suitable for wildflowers? Our in-house technical team can provide free, practical advice on creating and maintaining a biodiverse green roof.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca href=\"mailto:info@urbangreenroofs.com\" title=\"mailto:info@urbangreenroofs.com\"\u003einfo@urbangreenroofs.com\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTelephone:\u003c\/strong\u003e \u003ca href=\"tel:+44%20117%20370%204018\" title=\"tel:+44 117 370 4018\"\u003e+44 117 370 4018\u003c\/a\u003e\u003c\/p\u003e","brand":"Urban Green Roofs","offers":[{"title":"Default Title","offer_id":54207514247511,"sku":"UGRWFS","price":15.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/0150\/9207\/files\/fw_9_1.jpg?v=1785665880","url":"https:\/\/urbangreenroofs.com\/products\/green-roof-wildflower-seeds","provider":"Urban Green Roofs","version":"1.0","type":"link"}