How big do macrophylla hydrangeas get?
Very floriferous and smothered in bloom, Hydrangea macrophylla ‘Altona’ produces large, rounded flower heads, up to 8 in….Add to Any Collection.
| Hardiness | 6 – 9 |
|---|---|
| Exposure | Full Sun, Partial Sun |
| Season of Interest | Summer (Early,Mid,Late) Fall |
| Height | 4′ – 5′ (120cm – 150cm) |
| Spread | 4′ – 5′ (120cm – 150cm) |
Does Hydrangea macrophylla rebloom?
They will not rebloom, but deadheading will clean up the plant and make way for the next year’s fresh flowers.
How do you care for a Hydrangea macrophylla?
Hydrangea Care Tips
- Water at a rate of 1 inch per week throughout the growing season.
- Add mulch underneath your hydrangeas to help keep the soil moist and cool.
- Apply fertilizer based on your specific hydrangeas.
- Protect against pests and disease by choosing cultivars with resistant traits.
How much sun does Hydrangea macrophylla?
Hydrangea macrophylla does not need much sunlight, and part of the day prefers to be in the shade. However, they still need direct sunlight for at least 3-4 hours a day. Most varieties feel good in Hardiness zones 5-9.
What does a Hydrangea macrophylla look like?
Mopheads (Hydrangea macrophylla) are the most popular hydrangeas grown in home gardens and landscapes. Most mopheads grown today are blue or pink but a few varieties are white. These are also commonly known as French hydrangeas. Lacecap Hydrangeas and Mophead Hydrangeas are both classified as Hydrangea macrophylla.
How much sun does a Hydrangea macrophylla need?
Generally, hydrangeas prefer partial sun. Ideally, they will be given full sun in the morning, with some afternoon shade to protect from the hot midday sun. This is especially true for the Bigleaf hydrangea (H. macrophylla), which is prone to wilting.
Can Hydrangea macrophylla grow in shade?
And when it comes to shady locations, these are accommodating shrubs. Most species of hydrangeas, including the popular Bigleaf (Hydrangea microphylla), prefer morning sun. But they can also grow in shade if necessary, depending on whether “shade” in this context means filtered light or bottom-of-a-well darkness.
Do macrophylla hydrangeas bloom on new wood?
Improper pruning is one of the most common reasons Hydrangea macrophylla don’t bloom. Newer cultivars have been bred to bloom on both new and old wood meaning buds develop on both the current and past season’s growth.
How fast does Hydrangea macrophylla?
To ensure that hydrangea shrubs have time to establish a healthy root system, plant them in the fall or early spring. Hydrangeas are rapid growers, averaging two feet or more of growth per year.
Should I deadhead my Hydrangea macrophylla?
You should deadhead throughout the blooming season to keep your hydrangeas looking their beast and encourage new flower growth. However, stop deadheading hydrangea shrubs in mid to late fall, leaving any spent blooms in place.