Wonderblue

Fiala, 1989

‘Wonderblue’, S. vulgaris
Fiala 1989; S III
syn. – ‘Little Boy Blue’, ‘Wonder Blue’
{‘Tiffany Blue’ × ‘Rochester’}
Vrugtman, HortScience 24(3):435 [1989] & 29(9):972 [1994]; Clark., Lilacs, Quart. Jour. 18:4, 42 [1989]; Ameri-Hort Research, descriptive list [n.d., ca 1990] – as ‘Little Boy Blue’; Knight Hollow Nursery, 1998 Cultured cutting and liner descriptive list – as ‘Little Boy Blue’; Photo on Jorgovani/Lilacs 2015 DVD.
cultivar name registered 1988; name established and accepted.

Международный регистр названий культиваров рода Syringa L.

Syringa vulgaris L. ‘Wonderbiue’, Fiaia. Registered 31 Dec. 1988. Raised from seed collected from S. v. ‘Tiffany Blue’ (pollen parent: S. v. ‘Rochester’) and selected in May 1984 by John L. Fiala. Introduced commercially in 1989 by Ameri-Hort Research, Inc., P.O. Box 1529, Medina, Ohio 44258, USA. Florets single; bud color (Horticultural Colour Chart 1939/41 R.H.S.): Ethyl Blue 548 tinted with Rhodamine Pink 27/3 to 27/2; open floret color: Ethyl Blue 548 to 548/1. Flowers in medium to large upright thyrses with two spikes. Foliage dark green, disease-resistant. Plants slow-growing; original plant reached 1.25 m in 10 years; floriferous. Known to be hardy at least in Arnold Arboretum Hardiness Zone 3, or to -35F (-38C). U.S. Plant Patent pending.
The following four lilac cultivar names were registered by James W. Kelly, Dept. of Parks, County of Monroe, 180 Reservoir Avenue, Rochester, New York 14620, USA.

Lilac Registration 1988. Freek Vrugtman, Royal Botanical Gardens, Hamilton, Ontario, Canada

Более подробно о высоте куста, а также личные впечатления можно почитать в блоге Татьяны Поляковой.