'Nil Bleu ®' Rose

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'Nil Bleu ®' rose Description

My HMF:

Photo courtesy of Armstrong Garden Centers Inc.

Availability:

Commercially available

Synonyms:

• Blue Nile ®
• DELnible

HMF Ratings:

51 favorite votes.
Average rating: EXCELLENT-.

ARS:

Mauve or mauve blend Hybrid Tea.
Registration name: DELnible
Exhibition name: Blue Nile ®

Origin:

Bred by André Delbard-Chabert (1915-2012) (France, before 1975).
Introduced in United States by Armstrong Nursery in 1981 as 'Blue Nile'.

Class:

Hybrid Tea.

Bloom:

Mauve, blue highlights. Strong, citrus, fruity, tea fragrance. 50 to 55 petals. Average diameter 8". Very large, very full (41+ petals), borne mostly solitary, high-centered bloom form. Blooms in flushes throughout the season. Ovoid buds.

Habit:

Tall, spreading, upright. Large, dark green foliage.

Growing:

USDA zone 6b through 9b (default). Can be used for cut flower, exhibition or garden. Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.

Patents:

United States - Patent No: PP 4,671 on 17 Mar 1981 VIEW USPTO PATENT
Application No: 06/108,159 on 28 Dec 1979

Parentage:

seed:	Holstein × Bayadère (hybrid tea, Mallerin, 1951)
pollen:	Prélude (hybrid tea, Meilland 1954) × Saint-Exupery ® (hybrid tea, Delbard-Chabert, 1960)

Notes:

Weeks Roses 1999-2000 Catalog says parentage is [('Holstein' x 'Bayadere') x 'Prelude'] x 'St. Exupery'.