Hybrid Tea Rose, Sub Zero Rose
Rosa 'Helen Hayes'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Helen Hayes
Additional cultivar information:(Sub-Zero Series)
Hybridized by Brownell
Registered or introduced: 1956
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Class:

Cluster-flowered (incl. Floribunda & Grandiflora)

Hybrid Tea

Height:

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing:

24-36 in. (60-90 cm)

Hardiness:

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)

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)

Bloom Color:

Light yellow (ly)

Bloom Shape:

Double

Tea shaped

Flower Fragrance:

Very Fragrant

Bloom Time:

Blooms repeatedly

Habit:

Bush

Patent Information:

Unknown - Tell us

Other Details:

Susceptible to mildew

Pruning Instructions:

Blooms on new wood; prune early to promote new growth

Soil pH requirements:

Unknown - Tell us

Propagation Methods:

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

From hardwood heel cuttings

By grafting

By budding

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

Regional

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

San Jose, California

Sebastopol, California

Chicago, Illinois

Trenton, New Jersey

Jamestown, Rhode Island

Gardeners' Notes:

No details have been posted.