If you want your cut hydrangeas to last, there is a handy secret that florists use to make cut blooms drink more water. Here's why you need alum powder for hydrangeas.
Keeping Hydrangeas Fresh – Dipping Cut Hydrangeas In Boiling Water Or Alum
Purified Alum powder ( Potassium Alum Powder )(phitkari) by mi nature, 227g( 8 oz) ( 0.5 lb), 100% Only Alum powder
How to Keep Hydrangeas Alive: 14 Steps (with Pictures) - wikiHow
How to Care for Hydrangeas to Get the Most Beautiful Blooms on the Block
Alum Powder Can Help Keep Your Cut Hydrangeas Fresh For, 41% OFF
Drama-Free Blooms: The No-Wilt Guide to Cut Hydrangeas (Like, Seriously!) - Stacy Ling
How to Care for Hydrangeas: From Gardens to Bouquets
Alum Powder Can Help Keep Your Cut Hydrangeas Fresh For, 41% OFF
Alum powder: Magic for your flowers – SheBloom