Bigleaf hydrangeas typically start flowering in late spring, usually in May or June.
bigleaf hydrangea
Hydrangea macrophylla 'Shamrock'
Bigleaf Hydrangea is a beautiful deciduous flowering shrub that brings a stunning display of green cupped blooms in early to mid-summer. With its sharply serrated, deep green foliage and creamy white showy blooms, it is a widely appreciated ornamental garden favorite. Shamrock, also known as 'Jadeite', is a cultivar of macrophylla that is prized for its vibrant emerald and jade flower heads that are great for adding height and color to an outdoor space. It is easy to care for and grows best in organically rich, medium moisture, well-drained soil in full sun to part shade.
Cycle:
Perennial
Watering:
Average
Propagation:
Seed Propagation,Greenwood Cuttings,Hardwood Cuttings,Stem Propagation,Cutting
Hardiness Zone:
6 - 9
Flowers:
Pink to blue Flowers In Summer
Sun:
Deep shade, Filtered shade, Part sun/part shade
Soil:
Acidic, Alkaline, Well-drained
Fruits:
green,white Fruits Ready In Fall
Leaf:
Yes
Growth Rate:
High
Maintenance:
Moderate
Care Level:
Medium
watering
Bigleaf hydrangea (Hydrangea macrophylla 'Shamrock') require regular watering. In general, water your bigleaf hydrangea deeply at least once per week during the growing season and monthly in the winter. Both too much and too little water can lead to damaged or wilted leaves, so be sure to check your hydranagea regularly and adjust your watering schedule as needed. Additionally, it's best to provide water to the roots rather than the leaves.
sunlight
Bigleaf hydrangea (Hydrangea macrophylla 'Shamrock') thrives in full sunlight for at least 6 hours a day from late spring to early fall. During the hottest months of the year, it should be shaded between noon and 3 pm to protect the plant from the scorching summer sun. It should receive less sunlight during the winter months. In areas with cold winters, the plant should be protected from harsh direct sunlight. During winter it is best to protect your plant from windy conditions that can dry out the leaves and provide some shade from the sun.
pruning
Bigleaf hydrangeas (Hydrangea macrophylla 'Shamrock') should be pruned in early spring, preferably sometime between February and March. During this time, remove any dead or dying stems and lightly shape the shrub if desired. Since hydrangeas bloom on previous year’s growth, avoid excessive pruning. To promote flowering, selectively prune only a few of the older growths stems down to the level of growth buds. Additionally, remove any diseased stems or damaged branches.
Season
Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering
Starts Flowering
Bigleaf hydrangeas typically start flowering in late spring, usually in May or June.
Harvest Fruit
The best time to start harvesting the fruits from Hydrangea macrophylla 'Shamrock' is in July and August.
