Hydrangeas for Alkaline Soil
Hydrangeas are a plant most people associate with the Pacific Northwest with its humid climate and acid soil, not southeast Idaho with its dry climate and alkaline soil. But there are some varieties of hydrangea that are adaptable enough to grow well here. The following are a few varieties I've had enough experience with to vouch for. Endless Summer Hydrangea (Hydrangea macrophylla 'Bailmer') I was skeptical when I first saw this hydrangea being sold in nurseries in this area. It is a Hydrangea macrophylla , a species of hydrangea that is not particularly adaptable. But happily time has proven me wrong. I have a neighbor who has been growing several of these bushes successfully for over five years. Bear in mind that the flowers on these bushes are blue in the nursery, but they will turn pink when growing in alkaline soil. With consistently repeated applications of soil acidifier it might be possible to keep the flowers blue, but
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