'84J3T403' Rose

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'84J3T403' rose Description

My HMF:

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Photo courtesy of Shelley H

Availability:

Commercially available

Synonyms:

• Morden Snow Beauty
• Morden Snowbeauty
• RSM X6

HMF Ratings:

28 favorite votes.
Average rating: EXCELLENT-.

Origin:

Bred by Lynn M. Collicutt (Canada, 1984).
Introduced in Canada by Agriculture Canada, Morden, Manitoba in circa 2001 as 'Morden Snowbeauty'.

Class:

Shrub. (Series: Parkland Series Collection)

Bloom:

White or white blend. Mild fragrance. 8 to 14 petals. Semi-double to double, cluster-flowered, in small clusters bloom form. Blooms in flushes throughout the season.

Habit:

Short, compact. Medium, semi-glossy, medium green foliage.

Height: 33" to 3' (85 to 90cm). Width: 4' (120cm).

Growing:

USDA zone 2b and warmer. Can be used for beds and borders or container rose. Very hardy. Disease susceptibility: very disease resistant.

Patents:

United States - Patent No: PP 11,730 on 2 Jan 2001 VIEW USPTO PATENT
Application No: 09/217,821 on 22 Dec 1998

The `Adelaide Hoodless` variety was crossed with Rosa arkansana Porter to obtain an offspring that was crossed with the `Mount Shasta` variety. This cross produced a parent used in the creation of the new variety. The other parent of the new variety was formed by the crossing of the `Prairie Princess` variety and the `Morden Amorette` variety. None of the plants used to create the new variety have been patented in the United States. The `Prairie Princess` variety is a shrub rose (Rosa sp.) developed by G. Buck in 1972 and the `Mount Shasta` variety is grandiflora rose (Rosa sp.) developed by Swim and Weeks during 1963.

Parentage:

RSM J3 × RSM T4

Notes:

In September 1998, the Montreal Botanical Garden (Le Jardin Botanique de Montreal) carried out a survey of its roses' resistance to black spot, powdery mildew and rust. This is one of the outstanding varieties which showed a 0% to 5% infection rate. The data were taken on well-established roses.