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Hardiness: USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) 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)
Sun Exposure: Sun to Partial Shade
Danger: Parts of plant are poisonous if ingested
Bloom Color: Pale Green White/Near White Cream/Tan
Bloom Time: Mid Fall Late Fall/Early Winter
Foliage: Deciduous
Other details: This plant is attractive to bees, butterflies and/or birds Average Water Needs; Water regularly; do not overwater
Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral)
On Apr 8, 2008, janecarol2 from Fort Jennings, OH wrote:
I've had it 3 years now, pruned to a standard. Placed it next to my house, surrounded by sidewalk. When I bought it it had huge blooms. It doesn't grow, and the blooms are tiny.
I have it growing in shade under oaks and maples. It seems tolerant of drought once established. It was rather sparse until I tipped each branch back one year. The next year it was much fuller and has bloomed well ever since.
On Dec 4, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:
Information from both "Hydrangeas for American Gardens," by Michael A. Dirr (2004) and "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press).
This shrub grows up to 10 feet. The panicles appear late in the summer, and the flowering period can go well into October and possibly beyond in the right climate (Nantucket is suggested). There are a mixture of fertile and sterile flowers in the panicles, but the sepals are not tightly packed, giving an 'airy' impression. Depending on weather condition (cooler), the sepals turn pinkish. This selection has gained momentum in the nursery and landscape trades.
Van Gelderen says that the origin of 'Tardiva' is uncertain. According to one source (Bean 1991), it is a French introduction. Van Gelderen's information states that it was raised by Crown Commisioners, Windsor, UK, before 1975.
On Jan 20, 2003, lupinelover from Grove City, OH (Zone 6a) wrote:
This cultivar has flowers similar to the more familiar Floribunda, but they develop later in the season. It can be trained as a standard or allowed to grow as a multi-stemmed shrub.
Regional...
This plant has been said to grow in the following regions:
Middletown, Connecticut Cordele, Georgia Marietta, Georgia Barrington, Illinois Litchfield, Illinois Peoria, Illinois Franklin, Massachusetts Stephenson, Michigan Washington, Missouri Brooklyn, New York Jefferson, New York Southold, New York High Point, North Carolina Fort Jennings, Ohio Marietta, Ohio North Augusta, South Carolina Sevierville, Tennessee Lexington, Virginia Menasha, Wisconsin Oneida, Wisconsin Waterford, Wisconsin