Honeycup (Zenobia pulverulenta)

Common names:
Give a thumbs up Dusty Zenobia
Give a thumbs up Honeycup

General Plant Information (Edit)
Plant Habit: Shrub
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Wet
Wet Mesic
Mesic
Soil pH Preferences: Strongly acid (5.1 – 5.5)
Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Minimum cold hardiness: Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F)
Maximum recommended zone: Zone 8b
Plant Height: 3 to 6 feet; to 10 feet possible
Plant Spread: 3 to 6 feet; or more
Leaves: Good fall color
Semi-evergreen
Deciduous
Fruit: Other: brown dry ball-shaped 5-parted capsule
Fruiting Time: Late summer or early fall
Fall
Late fall or early winter
Winter
Flowers: Showy
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Underground structures: Rhizome
Suitable Locations: Bog gardening
Wildlife Attractant: Bees
Resistances: Drought tolerant
Salt tolerant
Propagation: Seeds: Sow in situ
Propagation: Other methods: Cuttings: Stem
Stolons and runners
Pollinators: Various insects
Miscellaneous: Monoecious

Image

Photo gallery:
Location: Vienna, VADate: 2017-07-31
By Muddy1
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Location: Vienna, VADate: 2017-08-09The undersides of the leaves are a dusty, light blue-green color.
By Muddy1
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Location: Jenkins Arboretum in Berwyn, PennsylvaniaDate: 2019-06-09silvery shrub with groundcovers around
By ILPARW
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Location: Jenkins Arboretum in Berwyn, PennsylvaniaDate: 2019-06-09flowers and foliage
By ILPARW
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Location: Jenkins Arboretum in Berwyn, PennsylvaniaDate: 2012-06-10white flowers near the big pond
By ILPARW
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Location: Vienna, VADate: 2017-08-09
By Muddy1
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Location: Jenkins Arboretum in Berwyn, PennsylvaniaDate: 2012-10-21little round brown capsules
By ILPARW
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Location: Morris Arboretum in Philadelphia, PennsylvaniaDate: 2018-06-29labeled specimen
By ILPARW
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This plant is tagged in:
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Comments:
Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Jun 13, 2019 12:16 PM

This member of the huge Ericaceous Family with Rhododendrons, Heath, and Blueberries, is native to coastal North & South Carolina and to two spots in the Appalachian Mountains in western North Carolina in bogs, swamps, near springs, dunes, barrens, and glades. It is very flood tolerant and shade tolerant. It grows in acid, wet to average soils. The leaves are alternate, simple, 1 to 3 inches long, with a glaucous, gray bloom on both upper and lower surfaces, being especially bluish-white underneath. It can get a red or purple fall color late in autumn. The small, waxy, white flowers are bell-like as blueberry flowers in nodding clusters on one side of the stalk, blooming in June. The brown, round capsule fruit appears in late summer until early spring. Dusty Zenobia forms colonies by its shallow stoloniferous stems and it is easy to transplant. It is offered by some native plant and specialty nurseries. I've only seen three specimens: two at Jenkins Arboretum in southeast Pennsylvania, one on a slope and one near the big pond, and a bigger plant at Morris Arboretum in Philly. Beautiful and interesting plant! I bet this would look great in a big tub with peaty, acid soil, if one can't grow it in their yard due to heavy, less acid or alkaline soil.

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