General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial Shade to Full Shade
Water Preferences: Wet
Wet Mesic
Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 4b -31.7 °C (-25 °F) to -28.9 °C (-20 °F)
Maximum recommended zone: Zone 9a
Plant Height: 3 - 5 feet
Plant Spread: 3 - 5 feet
Leaves: Good fall color
Deciduous
Other: Medium green turning orange and red shades in fall.
Flowers: Showy
Fragrant
Blooms on new wood
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Suitable Locations: Bog gardening
Uses: Erosion control
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Flood Resistant
Humidity tolerant
Propagation: Other methods: Cuttings: Stem
Division
Pollinators: Various insects
Miscellaneous: Monoecious

Image
Trade name information:
Trade Name: Scarlet Beauty™
Cultivar name: 'Morton'
Common names
  • Sweetspire

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Comments:
  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Nov 15, 2021 8:29 PM concerning plant:
    This cultivar called 'Morton' or 'Scarlet Beauty' was selected by Kris Bachtell, once the lead propagator now the head administrator, of the Morton Arboretum in Lisle, Illinois because it was doing better than other plants of the species that had been planted in the neutral soil reaction of the site of around pH of 7.0, showing greater tolerance of alkaline reaction than most of the species. (The largest number of pH readings in topsoil that I have gotten in my Chicago homeland are from 6.8 to 7.1, though I have had down to 6.5 where there is or was climax forest.) This higher tolerance allows the plant to bear greener leaves, as plants in pH of more than 6.5 often show some yellowing. This cultivar also is more cold hardy than most selections in that it survives down to about minus 25 degrees F. It also is a little more drought tolerant. This Sweetspire develops a good orange-red fall color. This cultivar is a 2011 introduction from the nursery organization of Chicagoland Grows. It is sold at a good number of conventional nurseries in the Chicago, IL area, as Hinsdale Nursery and The Growing Place in Naperville & Aurora, IL. There are some plantings of it at the Chicago Botanic Garden.

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