Bigleaf Hydrangea, Lacecap
Hydrangea macrophylla 'Mariesii Perfecta'

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: macrophylla (mak-roh-FIL-uh) (Info)
Cultivar: Mariesii Perfecta
Additional cultivar information:(aka Blue Wave)
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Height:

36-48 in. (90-120 cm)

Spacing:

4-6 ft. (1.2-1.8 m)

Hardiness:

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Sun to Partial Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Blue-Violet

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Deciduous

Other details:

This plant is attractive to bees, butterflies and/or birds

Average Water Needs; Water regularly; do not overwater

Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

From softwood cuttings

From semi-hardwood cuttings

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Monroe, Georgia

Baltimore, Maryland

Parkville, Maryland

Cheshire, Oregon

Nacogdoches, Texas

Seattle, Washington

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Gardeners' Notes:

2
positives
1
neutral
0
negatives
RatingContent
Neutral

On Dec 3, 2005, bigcityal from Menasha, WI (Zone 5a) wrote:

I don't think this plant is happy in my zone 5a. It has winter dieback every year which keeps it small with very few flowers - about 2 a year! It says it can handle full sun, but that doesn't sound right for a big leafed hydrandea.

Positive

On Dec 7, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

From the sources "Hydrangeas for American Gardens," by Michael A. Dirr (2004), and "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press):

A sturdy shrub with stout branches up to 6.5' high and wide. Flowerheads are rounded, the ray-flowers are blush pink, or light blue, sepals round and entire. Flowering time is from July to August. Unusually strong and hardy grower. Lustrous dark green leaves.

Haworth-Booth renamed this cultivar 'Blue Wave' (Van Gelderen says this is an illegitimate name, although one that is in general use and firmly established). Blue flowering plants sold are called 'Blue Wave' or 'Bluewave', and pink ones go under the original name 'Mariesii Perfecta', but it is certain that they are otherwise identical. Sele... read more

Positive

On Jan 20, 2003, lupinelover from Grove City, OH (Zone 6a) wrote:

Flowers are blue even if grown in neutral or mildly alkaline soil. Very beautiful.