Species panicle hydrangea Guide
Panicle Hydrangea paniculata 'Limelight' displaying largecone-shaped flower clusters in lime green hue

panicle hydrangea

Hydrangea paniculata 'Grandiflora'

Also Known As - P.G. Hydrangea

Cycle:

Perennial

Watering:

Average

Propagation:

Cutting,Layering Propagation,Division,Grafting Propagation

Hardiness Zone:

4

Flowers:

White Flowers In Summer

Sun:

Filtered shade, Full sun

Soil:

Well-drained

Fruits:

purple,pink,white Fruits In Autumn Ready In Fall

Leaf:

Yes

Leaf Color:

green

Growth Rate:

High

Maintenance:

Moderate

Care Level:

Medium

watering

Panicle hydrangea should be watered regularly but not too much. Water the soil until it is moist, but not soggy. Once or twice a week should be sufficient to keep the soil consistently moist. Be sure to water during dry periods as the plants need additional water during these times. Avoid getting the foliage wet as this can encourage fungal diseases to occur. Do not let the soil dry out completely for extended periods or the plant may become stressed and susceptible to insect or disease damage.

sunlight

Panicle hydrangeas (Hydrangea paniculata 'Grandiflora') should receive around 5-6 hours of direct sunlight each day for optimal growth. If they are planted in an area that receives full sun for most of the day, it is recommended to provide them with a few hours of midday shade to limit the risk of sunburn. While these plants will tolerate part shade and can even benefit from the extra shade during periods of extreme heat, they require direct sun for much of the day in order to flower properly.

pruning

Panicle hydrangea (Hydrangea paniculata 'Grandiflora') requires pruning every year after flowering. Generally, it is best to prune the panicle hydrangea in late winter or early spring. This type of hydrangea blooms on new wood, meaning the flowers will appear on the new growth that is produced during the current season. To ensure the shrubs stay healthy and produce healthy blooms, it is necessary to prune away dead, weak, or damaged stems. To encourage a fuller look, prune away old flowers as well as about 1-third of the stems. This will help the shrub develop multiple stems and flower buds, giving the panicle hydrangea a full and lush look.