Hydrangeas come in many colors, they bloom white, pink, red, blue or even green. Many varieties are known for their ability to change colors during flowering. Find out whether you can get a colored hydrangea to bloom white here.
Can you dye hydrangeas white?
Since white is not a color, but only indicates the absence of a dye, hydrangeas cannot be dyed white. However, you can tone down the color of the flowers by adjusting the pH value. Alternatively, you can choose a white-flowering hydrangea variety directly.
Can I dye my blue or pink hydrangeas white?
Actually, it isnot possible to dye colorful hydrangeas white. White hydrangeas are certain varieties that lack the pigment delphinidin. If you want your hydrangeas to bloom as pale or almost white as possible, you can try adjusting the pH value and thereby causing the flowers to lose their colors.
How can I counteract a pink or blue color?
If your white hydrangea turns blue or pink, then it isnot a real white hydrangea Instead, it probably had a neutral substrate during cultivation and when purchased, so that the The flower was neither pink nor blue. If you want to preserve the white bloom and avoid color change, you should continue to keep the soil pH neutral. A value between 5, 5 and 6 is ideal.
Which hydrangea varieties stay white?
Naturally white hydrangeas cannot change color because the flowers containno delphinidin. Panicle and farmer's hydrangeas and their hybrid varieties always contain the dye, so they are not available in true white. You should be prepared for a possible color change. Most varieties turn pink or red in late summer at the latest when they slowly fade.
Real white varieties that do not contain delphinidin and therefore cannot change color include:Fastball hydrangeas (Hydrangea arborescens):
- Annabelle
- Hayes starbust
Climbing hydrangeas (Hydrangea petiolaris):
- Cordifolia
- Mirranda
- Silver Lining
Tip
Adjust soil pH to control flower color
In order to measure the pH value of the soil, you can find appropriate test sticks in specialist shops. After you determine the value, you can adjust it by fertilizing. Leaf compost or coffee grounds acidify the soil and thus counteract pink discoloration. Lime, on the other hand, has an alkaline effect and can stop blue discoloration.
