Hydrangeas and roses produce an ‘abundance of flowers’ when using ‘miracle’ kitchen scrap (Image: GETTY) Hydrangeas and roses give two of the most beautiful displays in gardens when in bloom with their vibrant flowers . As with most plants, adding fertiliser can be worthwhile as it can help them grow stronger, especially when it comes to roses. Feeding your roses will encourage strong, healthy growth and abundant flowering, claimed the experts at David Austin Roses .

While specific fertiliser can be bought for both hydrangeas and roses, gardening pros at Gardena recommend making your own. function loadOvpScript(){let el=document.createElement('script');el.

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Log('[Load] OVP tcfLoaded',new Date())})}},1500)}) They argue that if gardens want an “abundance of colourful flowers” in their garden this summer, “fertiliser is a must”. READ MORE: Ditch vinegar for pati.