PlantsRoses→Rose (Rosa 'Grandmother's Hat')

Alternative cultivar names:
'Grandmother's Hat'
'Altadena Drive Pink HP'
'Barbara Worl'
'Grandma's Hat'

Data specific to Roses (Edit)
Bloom size: Large: 4-5"
Bloom shape: Cupped
Petal count: full: 26-40 petals
Rose bloom color: Pink blend
Extra Bloom Info: In clusters
Rebloom: Good
Class: Hybrid perpetual
Other: Found rose
Extra Color Info: Pink, with lilac undertones
Growth Habit: Tall, 6-12 feet, bushy
Fragrance: Strong
Hybridizer & year: Discovered by Barbara Worl and Fred Boutin, 1972
Optimal growing zones: USDA zone 5 and warmer

General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 6-12 feet
Plant Spread: 4-6 feet
Leaves: Deciduous
Flowers: Showy
Fragrant
Flower Color: Pink
Flower Time: Spring
Summer
Fall
Uses: Cut Flower
Wildlife Attractant: Bees
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Miscellaneous: With thorns/spines/prickles/teeth
Parentage: Unknown

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Photo gallery:
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By zuzu
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Location: In my Northern California gardenDate: 2009-05-01
By zuzu
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In Zuzu's garden
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Photo courtesy of Annie's Annuals and Perennials
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Location: La Crescenta, CADate: 2021-04-17
By JulieB
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By zuzu
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Photo courtesy of Annie's Annuals and Perennials
By Calif_Sue
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By zuzu
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Discussion Threads about this plant
Thread Title Last Reply Replies
Rose Nursery Report Card for 2019-2020 Season by zuzu Mar 15, 2021 1:56 PM 18
Rose Rosette by Mcmag2009 Jan 11, 2021 4:04 PM 13
Which roses have you ordered so far for next season (2021)? by zuzu Apr 17, 2021 5:43 PM 280
Epsom Salts by reh0622 Oct 16, 2020 5:10 AM 9
Severely Diseased rose Bush. (At least I think it is.) by JohnnieF Nov 22, 2020 3:40 PM 33
October 2020 -- Photos and Chat by zuzu Oct 31, 2020 1:32 PM 104
Rose bushes are HUGE but no flowers by jellybw Sep 27, 2020 11:43 AM 6
What is Your Best Rose (s)? by DesertgardenLV Jun 15, 2020 12:12 PM 18
Looking for HT varieties for no-spray gardening. by MikeInBatonRouge Apr 1, 2021 3:57 PM 84
Pesky Black Spot by brooklynrose May 11, 2020 1:02 PM 6
Rose Identification by wharris18 Apr 30, 2020 10:34 AM 3
Coastal Roses by DanWhealdon Apr 12, 2020 5:10 PM 5
I Need Advice by oakslesly Apr 13, 2020 3:44 PM 4
Looking for recommendations by dsaldivar Apr 17, 2020 8:31 PM 10
Relocating Our Roses Advice???? by Weluvroses Jun 18, 2020 11:56 AM 180
Another discussion (sorry) about eradicating black spot by kohala Mar 30, 2020 12:33 AM 31
In Southern California, the Banksiaes are Blooming . . . by jerijen Mar 12, 2020 9:26 AM 13
March 2020~~Photos & Chat by Calif_Sue Apr 1, 2020 12:21 PM 115
Oh Boy! Yikes! DA roses is retiring 30% of their roses! by Mustbnuts Sep 28, 2020 9:03 AM 47
BEST effective spray etc for Blackspot? by Berrycajun Feb 15, 2020 8:08 AM 18

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