How To Care For Bigleaf Hydrangea. Use a compost leaf mould or well rotted manure mulch around the plant to conserve moisture. Water at a pace of 1 inch for every week all through the growing season.
And as long as they are planted in well-draining soil with plenty of organic matter they should grow well. Hydrangea plants can be propagated by softwood cuttings taken in June. Bigleaf and smooth hydrangeas require more water however all assortments profit by predictable dampness.
Flowers of bigleaf hydrangeas bloom on buds formed on the previous years growth.
Dont worry about mixing the seeds into the soil. Gently sow the seeds over the top layer of the soil and keep the soil moist at all times. Protect against pests and disease by choosing cultivars with resistant traits. Give the hydrangea a thorough soaking at the base daily for the first week while the plant gets established.