{"product_id":"blauwe-sierui-allium-caeruleum-160-bloembollen","title":"Blue ornamental onion (Allium caeruleum) – 160 flower bulbs (size 4\/5)","description":"\u003cp\u003eBlue ornamental onion (Allium caeruleum) blooms in blue from June through July. With 160 bulbs in this package, you will cover approximately 4 m². Ornamental onions bear globe-shaped 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 blooming.\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 160 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 color:\u003c\/strong\u003e blue\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eBlooming 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 4 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\u003eWinter hardiness:\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. Leave the spent flower heads in place: they dry decoratively and add structure to the border until autumn. Also read our tips on \u003ca href=\"\/en-lu\/pages\/water-geven\"\u003ewatering\u003c\/a\u003e and the correct \u003ca href=\"\/en-lu\/pages\/standplaatsen\"\u003elocation\u003c\/a\u003e.\u003c\/p\u003e","brand":"Everspring","offers":[{"title":"Default Title","offer_id":67774002528647,"sku":"61480","price":69.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1110\/9194\/1767\/files\/thumbnail_2000_9e73ed4e-f3f6-4560-9f9c-a22e891fa07f.png?v=1792845494","url":"https:\/\/olivera-garden.nl\/en-lu\/products\/blauwe-sierui-allium-caeruleum-160-bloembollen","provider":"Olivera Garden","version":"1.0","type":"link"}