November 2025

What is the best month to prune hydrangeas? Hydrangeas that bloom on new wood can be safely pruned in late fall once the plants have gone dormant or in early spring. Next year’s flower buds won’t be formed until late spring the same year they bloom, so there is no risk of removing the buds […]

Do hydrangeas like sun or shade? Most common hydrangeas prefer a partial sun location – ideally receiving sun in the morning hours and shade in the afternoon. The reblooming Endless Summer® Hydrangea series prefers part shade. Hydrangeas thrive in moist soils, and your shrub must be kept hydrated through the cold and dry winter months.

Which hydrangea is the most beautiful? Bigleaf hydrangea (Hydrangea macrophylla) The bigleaf hydrangea is a favourite of many gardeners. The flowers are generally white, pink or red. However, with aluminium-based fertilisation and the right pH value, the bigleaf can become a blue or violet-flowering hydrangea thanks to the natural pigment delphinidin. But NEVER prune these

Is hydrangea good for the kidneys? Hydrangea extract was found to protect against kidney damage in a mouse study. Hydrangea root may also be used to treat kidney stones because of its calcium-dissolving properties. The root and underground stem (rhizome) are used to make medicine. People use hydrangea for bladder infections, prostate infections, enlarged prostate,

What is another name for a macrophylla hydrangea? Noteworthy Characteristics. Hydrangea macrophylla, commonly called big leaf hydrangea, is a deciduous shrub with a rounded habit that, in the St. Louis area, typically grows 3-6′ tall and as wide unless damaged by harsh winters or pruned smaller. Hydrangea serrata Smaller than the Hydrangea macrophylla is the

What is the difference between hydrangea macrophylla and serrata? Hydrangea serrata is native to Japan and Korea and tends to be a stockier plant then H. It loves a morning sun/afternoon shade spot in your garden and will reward the adequate application of moisture with bountiful blooms. Hydrangea serrata is a species of flowering plant

Can hydrangeas survive winter in pots in the UK? If your hydrangeas are winter hardy in your climate, they can often overwinter in place. However, they will usually require some protection from harsh winds and bitter cold to prevent damage to the roots. One solution is to move the pots to a spot sheltered from

How long do 4 o’clock seeds take to germinate? Before planting, scarify four o’clock seeds by knicking them with a knife or rubbing them with sandpaper and soaking them overnight. Place seeds on the soil surface and gently press in; light is required for germination. Soil temperature between 65-75ºF for germination. Seeds should germinate in

What is the history of 4 o’clock flowers? A colourful ornamental species, the four o’clock flower (Mirabilis jalapa) gets its name because it opens in mid-afternoon. It was grown by the Aztecs for its medicinal properties, as well as for its beautiful blooms. Mirabilis jalapa Linn. Nyctaginaceae), commonly referred to as the Four O’clock plant

What are four o’clock seeds? Named for its characteristic of blooming after 4pm, fast-growing Four O’Clock flourishes almost anywhere including hot, windy spots, and tolerates most soil types. Fragrant, tubular flowers attract hummingbirds and other pollinators. Excellent as an annual hedge. They’re very versatile too, as the seeds of the Four O’Clock can be sown