{"product_id":"allium-purple-sensation-ail-ornement-violet-bulbes","title":"Allium 'Purple Sensation' (Purple Ornamental Onion) — Bulbs size 10\/12","description":"\u003csection class=\"product-content verdeia-product\" id=\"allium-purple-sensation\"\u003e\u003cheader class=\"product-intro\"\u003e\u003cp class=\"product-highlights\"\u003e💜 8 to 10 cm purple spheres • 🌿 Tall 70 to 80 cm stems • 🐝 Rich in nectar • ☀️ Full sun • ❄️ Hardy down to -25 °C • 🔁 Blooms again every year • 📏 Bulb size 10\/12\u003c\/p\u003e\n\u003cp class=\"product-description-lead\"\u003eThe \u003cstrong\u003eAllium 'Purple Sensation'\u003c\/strong\u003e is the most commonly planted ornamental allium in gardens: each bulb produces a straight stem 70 to 80 cm tall in May and June, topped with a perfect 8 to 10 cm sphere made up of hundreds of tiny purple stars. The species, \u003cem\u003eAllium hollandicum\u003c\/em\u003e, is \u003cstrong\u003enative to Central Asia (Iran)\u003c\/strong\u003e, and its flowers are among the most visited by bees and bumblebees.\u003c\/p\u003e\n\u003cp class=\"product-description-lead\"\u003eThese 10\/12-size bulbs are planted in fall and bloom again year after year without being dug up. They are among the \u003ca href=\"\/en\/collections\/bulbes-a-fleurs\"\u003eflower bulbs\u003c\/a\u003e that are easiest to grow, in a flower bed or a large pot on a sunny balcony.\u003c\/p\u003e\u003c\/header\u003e\u003csection class=\"product-section\" id=\"formats\"\u003e\u003ch2\u003eHow many bulbs should you choose?\u003c\/h2\u003e\n\u003cp\u003eAlliums make the biggest impact when planted in groups: allow 10 to 15 bulbs per square meter, or 5 to 7 bulbs in a pot 30 cm in diameter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e15 bulbs:\u003c\/strong\u003e a flower bed of about 1 m², or two to three large pots on a balcony.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 bulbs:\u003c\/strong\u003e about 2 m², for a flowering border along a path or terrace.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 bulbs:\u003c\/strong\u003e about 4 m², for a real massed effect among perennials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120 bulbs:\u003c\/strong\u003e about 8 m², for a large flower bed or a flowering meadow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"micro-tip\"\u003eThe larger the pack, the lower the price per bulb: the 120-bulb pack costs less than half the per-bulb price of the 15-bulb pack.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"product-section\" id=\"plantation-emplacement\"\u003e\u003ch2\u003ePlanting \u0026amp; location\u003c\/h2\u003e\n\u003cp\u003ePlant the bulbs from September to December, as long as the ground is not frozen, for flowering the following spring.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure:\u003c\/strong\u003e full sun, at least 6 hours a day; in partial shade, the stems grow long and lean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 10 to 15 cm, pointed end up, or about three times the bulb's height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpacing:\u003c\/strong\u003e 15 to 20 cm between bulbs in the ground, 8 to 10 cm in pots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil type:\u003c\/strong\u003e well-drained, even poor or chalky soil; the bulb rots in soil that stays waterlogged in winter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardiness:\u003c\/strong\u003e down to -25 °C in the ground, no protection needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"micro-tip\"\u003ePlant them in irregular groups rather than in a straight line: the globes then seem to float above the other plants, as in a natural garden.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"product-section\" id=\"arrosage-entretien\"\u003e\u003ch2\u003eWatering \u0026amp; care\u003c\/h2\u003e\n\u003cp\u003eAlliums need very little: rainwater is enough in the ground, and excess moisture is what threatens them, as explained in our article about \u003ca href=\"\/en\/blogs\/conseils\/plante-trop-arrosee-sauver-racines-pourries\"\u003eoverwatered plants with damaged roots\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatering:\u003c\/strong\u003e minimal — water once when planting, then only if spring is very dry; in a pot, water when the potting soil is dry several centimeters down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn a pot:\u003c\/strong\u003e use well-draining potting soil mixed with sand or clay pebbles, as explained in our guide to \u003ca href=\"\/en\/blogs\/conseils\/comprendre-substrats-terreau-billes-argile-perlite\"\u003esubstrates and potting soil\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFertilizer:\u003c\/strong\u003e unnecessary in the ground; in a pot, use bulb fertilizer when the leaves emerge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter flowering:\u003c\/strong\u003e let the leaves turn yellow and dry out in place; they replenish the bulb's reserves for the following year.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"micro-tip\"\u003eThe leaves start to turn yellow as the flowers open: this is normal for alliums. Plant them behind low-growing plants that will conceal the foliage.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"product-section\" id=\"associations-deco\"\u003e\u003ch2\u003eDecorating ideas \u0026amp; plant pairings\u003c\/h2\u003e\n\u003cp\u003eIts purple globes tower over flower beds in late spring and pair well with ornamental grasses and sun-loving perennials, as shown in our guide to \u003ca href=\"\/en\/blogs\/conseils\/plantes-balcon-plein-soleil-guide\"\u003eplants for a sunny balcony\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTo conceal its foliage,\u003c\/strong\u003e plant it in the middle of the \u003ca href=\"\/en\/products\/trio-graminees-festuca-carex-stipa\"\u003etrio of Festuca, Carex and Stipa ornamental grasses\u003c\/a\u003e — the clumps hide the yellowing leaves, while the purple globes stand out above them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor a color contrast,\u003c\/strong\u003e pair it with the \u003ca href=\"\/en\/products\/lot-4-graminees-festuca-carex-uncinia\"\u003eset of 4 ornamental grasses\u003c\/a\u003e — the blue fescue and yellow sedge highlight the purple flowers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTo extend the purple color all summer,\u003c\/strong\u003e add a \u003ca href=\"\/en\/products\/buddleja-butterfly-candy-little-lila-arbre-aux-papillons-nain\"\u003eBuddleja 'Butterfly Candy Little Lila'\u003c\/a\u003e — its lilac flower spikes take over in July, once the allium has finished blooming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor a balcony version,\u003c\/strong\u003e plant 5 to 7 bulbs in the \u003ca href=\"\/en\/products\/pot-elho-greenville-round-vert-feuillage\"\u003eElho Greenville Round foliage green pot\u003c\/a\u003e in Ø25 cm — an outdoor pot with drainage holes, whose green color makes the purple flower heads stand out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"micro-tip\"\u003eThe dry flower heads keep their shape all summer: leave them in the garden, or cut them for a striking dried bouquet.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"product-section\" id=\"tips\"\u003e\u003ch2\u003eVerdeia tips\u003c\/h2\u003e\n\u003cul class=\"verdeia-tips\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant as soon as they arrive:\u003c\/strong\u003e the bulbs can be stored for a few weeks in a cool, dry place, but they root better if planted quickly, before hard frosts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut a few flower heads for a vase:\u003c\/strong\u003e trim the stems in the morning, when the flower head is half open. They last up to two weeks in a bouquet, leaving the rest of the flower bed undisturbed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not dig up the bulbs:\u003c\/strong\u003e left in place, they flower again every spring and gradually form fuller clumps. In a pot, simply protect the container during severe cold, as explained in our guide to \u003ca href=\"\/en\/blogs\/conseils\/plantes-resistantes-froid-guide\"\u003ecold-hardy plants\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"product-section\" id=\"caracteristiques\"\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul class=\"tech-details\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBotanical name:\u003c\/strong\u003e \u003cem\u003eAllium hollandicum\u003c\/em\u003e 'Purple Sensation'\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon name:\u003c\/strong\u003e Purple ornamental allium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Amaryllidaceae\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e species native to Central Asia (Iran)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery:\u003c\/strong\u003e dry bulbs, size 10\/12 (10 to 12 cm in circumference), in packs of 15, 30, 60, or 120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight in flower:\u003c\/strong\u003e 70 to 80 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlowering:\u003c\/strong\u003e May to June, purple-violet flower heads 8 to 10 cm across\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanting:\u003c\/strong\u003e September to December, 10-15 cm deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposure:\u003c\/strong\u003e full sun\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatering:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardiness:\u003c\/strong\u003e down to -25 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil type:\u003c\/strong\u003e well-draining; tolerates poor and chalky soils\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle:\u003c\/strong\u003e perennial, flowers again every year\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePollinator-friendly:\u003c\/strong\u003e very attractive to bees, bumblebees, and butterflies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCare:\u003c\/strong\u003e very easy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToxicity:\u003c\/strong\u003e toxic to animals (dogs and cats) if ingested, like all alliums\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecorative style:\u003c\/strong\u003e Natural garden \/ Cottage garden \/ Contemporary\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"micro-tip\"\u003eEach bulb is unique: the size of the flower heads and the height of the stems naturally vary depending on the soil and sun exposure.\u003c\/p\u003e\u003c\/section\u003e\u003c\/section\u003e","brand":"Everspring","offers":[{"title":"15 bulbs","offer_id":57454020854025,"sku":"50820","price":23.95,"currency_code":"EUR","in_stock":true},{"title":"30 bulbs","offer_id":57277019488521,"sku":"61512","price":31.95,"currency_code":"EUR","in_stock":true},{"title":"60 bulbs","offer_id":57454020886793,"sku":"61513","price":49.95,"currency_code":"EUR","in_stock":true},{"title":"120 bulbs","offer_id":57454020919561,"sku":"61514","price":77.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0938\/1006\/5673\/files\/thumbnail_2000_1542285e-10c9-44d5-914f-55c6639bf14f.png?v=1792149626","url":"https:\/\/verdeia.eu\/en\/products\/purple-sensation-allium-ornamental-purple-onion-bulbs","provider":"Verdeia","version":"1.0","type":"link"}