{"product_id":"hamburg-hydrangea-hydrangea-macrophylla-hamburg","title":"Hamburg Hydrangea - Hydrangea macrophylla 'Hamburg'","description":"\u003cp\u003eHamburg Hydrangea (\u003cem\u003eHydrangea macrophylla\u003c\/em\u003e 'Hamburg') is a deciduous shrub about 1.2m tall and wide, with large, rounded flower heads that are usually purple. They shift to deeper blue-purple in acid soil and rose pink in neutral to alkaline soil, so you get some say in the colour. It is very cold hardy and carries soft light green leaves.\u003c\/p\u003e\n\n\u003ch2\u003eWhy you'll love it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour you can steer.\u003c\/strong\u003e Soil with a pH of 5 or lower gives blue flowers, while neutral to alkaline soil (pH 6 to 7) gives mauve, pink or even red.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVery cold hardy.\u003c\/strong\u003e It shrugs off cold winters, so it suits the coldest gardens that hydrangeas can grow in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig, rounded heads.\u003c\/strong\u003e The flower heads are large and full, and the leaves are soft and light green.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits many roles.\u003c\/strong\u003e It works in cottage gardens, woodland style beds, mixed borders and large containers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhere it works best\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMixed beds and cottage borders.\u003c\/strong\u003e Plant 1m apart. At 1.2m wide the shrubs overlap just enough to make a continuous flowering mass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWoodland planting.\u003c\/strong\u003e Under high tree canopy, where the light is dappled and the soil stays moist, it grows with little fuss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLarge containers.\u003c\/strong\u003e A big pot with good drainage suits it. Water often, and keep it out of hot afternoon sun.\u003c\/p\u003e\n\n\u003ch2\u003eGrowing Hamburg Hydrangea in Australia\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePosition and climate.\u003c\/strong\u003e Part shade suits it, and Hamburg is at its best in cool temperate and warm temperate gardens. In subtropical gardens give it deep afternoon shade. Protect it from harsh sunlight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoil.\u003c\/strong\u003e Rich soil with plenty of organic matter that stays moist without waterlogging. Adjust the pH if you want a particular colour, and mulch the roots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater and feed.\u003c\/strong\u003e Keep the water up through the first two to three months while it settles, and give plenty of water in dry periods. Apply a slow release fertiliser in early spring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePruning.\u003c\/strong\u003e It flowers on old wood, so give it space and avoid hard cutting. Trim faded flower heads back to a pair of healthy leaves. All parts of the plant are toxic if eaten.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to expect when it arrives\u003c\/h2\u003e\n\u003cp\u003eWe sell Hamburg Hydrangea as tube stock, in 140mm pots in packs of 10 and in 200mm pots in packs of 6. Tube stock is a young plant in an 80mm deep tube that establishes quickly. The 140mm and 200mm pots give a bigger plant on day one for a border or a pot. Expect flowering to build over the first couple of seasons.\u003c\/p\u003e\n\n\u003cp\u003eThe tube comes from our grower and is not always in stock. When the grower has none, it shows as sold out, and the notify button on the page emails you the day it is back.\u003c\/p\u003e\n\n\u003cp\u003ePlants are delivered Australia wide, with delivery from $29.95. Every plant is covered by our 30 day healthy plant guarantee.\u003c\/p\u003e\n\n\u003ch2\u003ePlant care guides and related reading\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hydrangeas\"\u003eOur full hydrangea range\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/blog\/hydrangeas-colour-and-growth\"\u003eHydrangea colour and pruning guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/plants-for-cool-climates\"\u003ePlants for cool climates\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/frost-hardy-plants\"\u003eMore frost hardy plants\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I get blue flowers?\u003c\/h3\u003e\n\u003cp\u003eGrow it in acid soil, with a pH near 5 or lower. A neutral to alkaline pH of 6 to 7 gives mauve, pink or red, so test your soil before planting.\u003c\/p\u003e\n\n\u003ch3\u003eWill it cope with frost?\u003c\/h3\u003e\n\u003cp\u003eYes. It is very cold hardy. Like all macrophylla hydrangeas it drops its leaves in winter, and a late frost can nip soft new growth.\u003c\/p\u003e\n\n\u003ch3\u003eIs it safe for pets?\u003c\/h3\u003e\n\u003cp\u003eNo. Hydrangeas are toxic to dogs and cats if eaten, so grow it where pets cannot chew the leaves or flowers.\u003c\/p\u003e\n","brand":"Nursery Near Me","offers":[{"title":"Tube (Backorder)","offer_id":67790341603647,"sku":"HYD-MAC-HAMBUR-tube","price":18.95,"currency_code":"AUD","in_stock":false},{"title":"140mm (Pack of 10)","offer_id":67790341669183,"sku":"HYD-MAC-HAMBUR-140MM-P10","price":380.95,"currency_code":"AUD","in_stock":true},{"title":"200mm (Pack of 6)","offer_id":67790341701951,"sku":"HYD-MAC-HAMBUR-200MM-P6","price":304.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/2917\/5359\/files\/hamburg-hydrangea-hydrangea-macrophylla-hamburg.jpg?v=1792208463","url":"https:\/\/nurserynearme.com.au\/products\/hamburg-hydrangea-hydrangea-macrophylla-hamburg","provider":"Nursery Near Me","version":"1.0","type":"link"}