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When overwintering potted hydrangeas outdoors, move containers to a sheltered location to protect against winter winds and extreme temperature fluctuations. Mulch the soil and keep plants watered ...
This method is especially important for hydrangeas grown in porous containers, like unglazed terracotta and clay pots, which Jackson says offer a lower level of frost protection for roots ...
Ease the plant out of its pot, then use your gloved hand to rough up the side of the root ball to encourage the roots to spread out. Place in the hole, backfill the soil, tamp down, and water well.
Hydrangeas are moderately toxic if eaten, with all parts of the plant containing cyanogenic glycosides. [139] Hyoscyamus niger: henbane Solanaceae: Seeds and foliage contain hyoscyamine, scopolamine and other tropane alkaloids. Can produce dilated pupils, hallucinations, increased heart rate, convulsions, vomiting, hypertension and ataxia ...
Hydrangea serrata is similar to H. macrophylla except it is a smaller more compact shrub with smaller flowers and leaves; it is also more hardy. With a rounded habit, it features dark green, serrated (toothed), ovate leaves to 15 cm (6 in) long, and clusters of long-blooming blue or pink lacy flowerheads in mid- to late summer.
Here's a closer look at how to care for hydrangeas, including tips on where and how to plant them. The post How to Care for Hydrangeas: 7 Things You Need to Know appeared first on Taste of Home.
Clear containers can also be covered with aluminium foil, butcher paper, black plastic, or other material to eliminate the effects of negative phototropism. The nutrient solution is changed either on a schedule, such as once per week, or when the concentration drops below a certain level as determined with an electrical conductivity meter .
Hydrangeas are stunning so it makes sense to want them to last as long as possible. However these flowers are known to wilt very quickly. Here are 7 steps to help these beautiful flowers last longer.