Hydrangea serrata 'Blue Billow'
This species was formerly grouped with the lacecap hydrangeas because of its flattened flower heads that consist of central, small florets surrounded by showy, larger florets. It is similar to H. macrophylla but is a more compact plant with smaller flowers and leaves.
Noteworthy CharacteristicsBlue or pink lacy flowerheads.
CareGrow in moist but well-drained soil, in sun to partial shade. Provide shelter from drying winds.
PropagationSow seed in a cold frame in spring; take softwood cuttings in early summer, hardwood cuttings in winter.
ProblemsGray mold, slugs, powdery mildew, rust, ringspot virus, leaf spots
Fine Gardening Recommended Products
Dramm 17050 50′ ColorStorm 1/2″ Standard Soaker Hose
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
Gilmore Rubber Hose Washer 10pk
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
Scotts Cordless Grass-Shear/Shrub-Trimmer Combo
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
- Genus : Hydrangea
- Plant Height : 3 to 6 feet
- Plant Width : 3 to 6 feet
- Zones : 6, 7, 8, 9
- Uses : Containers
- Bloom Time : Fall, Summer
- Tolerance : Frost Tolerant
- Light : Full Sun to Partial Shade
- Maintenance : Low
- Moisture : Medium to Wet
- Growth Rate : Moderate
- Flower Color : Pink
- Characteristics : Showy Seed Heads
- Plant Type : Shrubs
- Plant Seasonal Interest : Summer Interest
Plant Characteristics are only available to Fine Gardening members
Sign up for a free trial and get instant access to our complete plant guide as well as our entire collection of articles and videos.
