Rose (Rosa 'Grandmother's Hat') in the Roses Database

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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In Zuzu's garden
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Location: In my Northern California gardenDate: 2009-05-01
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Photo courtesy of Annie's Annuals and Perennials
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Photo courtesy of Annie's Annuals and Perennials
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Discussion Threads about this plant
Thread Title Last Reply Replies
January 2020 -- Photos and Chat by zuzu Jan 21, 2020 8:55 PM 80
What is a rose band and is it an inferior purchase by kohala Dec 7, 2019 4:12 PM 7
December 2019 -- Photos and Chat by zuzu Dec 31, 2019 3:46 PM 128
happy thanksgiving! by jerijen Dec 13, 2019 1:44 AM 19
Rose cutting by Kronik352 Nov 23, 2019 7:42 PM 7
Need Help! Don't know what I am doing and websites give conflicting info by William1976 Jan 19, 2020 2:08 PM 5
November 2019 -- Photos and Chat by zuzu Dec 13, 2019 1:00 AM 164
Rose ordering from Peter Beales by Canadian_Rose Oct 26, 2019 3:09 PM 14
Best Roses for Southern California's Heat by oakslesly Oct 12, 2019 9:13 PM 8
Which roses have you ordered for next season (2020)? by zuzu Jan 11, 2020 10:29 PM 176
October 2019 -- Photos and Chat by zuzu Nov 1, 2019 3:14 PM 269
September 2019 -- Photos and Chat by zuzu Oct 6, 2019 1:16 PM 280
David Austin roses for hot Southern California by oakslesly Sep 11, 2019 12:54 PM 21
August 2019 -- Photos and Chat by zuzu Aug 31, 2019 10:08 PM 261
best Full rose bush photos by GoldBeardThePirate Aug 27, 2019 1:48 AM 51
Heirloom Old Miniature Roses by NickyNick Jul 7, 2019 9:21 PM 61
Vintage Roses by NickyNick Jun 6, 2019 5:14 PM 16
June 2019 -- Photos and Chat by zuzu Jul 27, 2019 9:37 AM 355
What's wrong with my rose? by Luckynjun1 May 31, 2019 12:16 PM 32
Questions About Issues With My Roses by JeffreyInGA May 28, 2019 7:52 PM 13

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