{"product_id":"blauwe-sierui-allium-caeruleum-320-bloembollen","title":"Blue ornamental onion (Allium caeruleum) – 320 flower bulbs (size 4\/5)","description":"\u003cp\u003ePlant these 320 Blue ornamental onion (Allium caeruleum) bulbs from September through November, and you will enjoy blue flowers from June through July. Ornamental onions bear round flower heads on tall stems and are a popular source of nectar for bees and butterflies. Use them in borders among perennials, gravel gardens, and large pots; the spent bulbs remain decorative. Bulb size 4\/5 indicates how many centimeters the bulbs measure in circumference; a larger bulb contains more reserves for flowering.\u003c\/p\u003e\n\u003ch3\u003eCharacteristics\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eBotanical name:\u003c\/strong\u003e \u003cem\u003eAllium caeruleum\u003c\/em\u003e\n\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 320 bulbs\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eBulb size:\u003c\/strong\u003e 4\/5\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eFlower colour:\u003c\/strong\u003e blue\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eFlowering period:\u003c\/strong\u003e June–July\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003ePlanting time:\u003c\/strong\u003e September through November\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003ePlanting depth:\u003c\/strong\u003e 8–10 cm\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003ePlanting distance:\u003c\/strong\u003e approx. 15 cm (enough for approximately 7 m²)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eLocation:\u003c\/strong\u003e sun\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eHardiness:\u003c\/strong\u003e hardy\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003ePets:\u003c\/strong\u003e toxic to cats and dogs\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003ePlanting and care\u003c\/h3\u003e\n\u003cp\u003ePlant the bulbs 8–10 cm deep with the tip facing up, in well-drained soil. Ornamental onions like a warm spot and well-drained soil. In wet, heavy clay, the bulbs rot in winter. Also view our range of \u003ca href=\"\/en\/collections\/potgrond-gereedschap\"\u003epotting soil \u0026amp; tools\u003c\/a\u003e to plant your bulbs properly.\u003c\/p\u003e","brand":"Everspring","offers":[{"title":"Default Title","offer_id":67774003413383,"sku":"61481","price":104.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1110\/9194\/1767\/files\/thumbnail_2000_cb23135a-80d9-47e5-8d73-ea745c8fc8e6.png?v=1792845505","url":"https:\/\/olivera-garden.nl\/en\/products\/blauwe-sierui-allium-caeruleum-320-bloembollen","provider":"Olivera Garden","version":"1.0","type":"link"}