General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Partial or Dappled Shade
Minimum cold hardiness: Zone 5b -26.1 °C (-15 °F) to -23.3 °C (-10 °F)
Plant Height: up to 7'
Leaves: Good fall color
Unusual foliage color
Deciduous
Other: lance shaped, up to 7" long
Fruit: Edible to birds
Flowers: Showy
Flower Color: White
Flower Time: Summer
Late summer or early fall
Fall
Suitable Locations: Xeriscapic
Uses: Erosion control
Will Naturalize
Edible Parts: Fruit
Wildlife Attractant: Bees
Birds
Butterflies
Hummingbirds
Propagation: Seeds: Suitable for wintersowing
Other info: This plant self seeds.
Propagation: Other methods: Cuttings: Tip
Division

Image
Common names
  • Frostweed
  • Iceweed
  • Richweed
  • Tickweed
  • Virginia Crownbeard

Photo Gallery
Location: Ingleside. Illinois
Date: 2022-11-18
Location: Plano, TX
Date: 2018-10-27
With a Monarch butterfly.
Location: Ingleside. Illinois
Date: 2022-11-18
Location: My yard in Arlington, Texas.
Date: 2005-12-08
Location: 10970
Date: 10/21
Frostweed bloom with bee
Location: San Antonio TX
Date: 2018-01-01
Day of a hard freeze
Location: San Antonio TX
Date: 2018-01-01
Location: Plano, TX
Date: 2018-09-11
Location: Fort Worth TX
Date: 2010-10-13
Even trimmed it will tower if allowed.
Location: Fort Worth TX
Date: 2010-01-05
Stems explode with frost like formations with a hard freeze.
Location: 10970
Date: 01/22
Frostweed ice sculptures
Location: Roberta Georgia
Date: September
with bee
Location: San Antonio TX
Date: 2018-01-01
Location: San Marcos, Texas
Date: 2021-10-22
Location: My yard in Arlington, Texas.
Date: Summer 2010
This plant is a must have for the butterfly garden.
Location: Fort Worth TX
Date: 2009-09-28
Frostweed is a bee magnet in the fall.
Location: 10970
Date: 01/22
Frostweed ice sculpture
Location: 10970
Date: 01/22
Frostweed ice sculptures
Uploaded by LindaTX8
Location: 10970
Date: 10/21
Frostweed bloom with monarch
Location: My Garden
Date: 2020-09-25
Location: San Antonio TX
Date: 2017-11-02
Location: North Central TX Zone 8a
Date: 2017-11-29
Blooms are starting to set seed.
Location: Plano, TX
Date: 2018-09-03
Location: Plano, TX
Date: 2017-09-19
Location: Fort Worth TX
Date: 2008-12-16
A hard freeze causes even the smallest stems to show why they got

Date: 2022-09-21
Location: Dallas, TX Zone 8a
Date: 2016-09-15
Frostweed starting to flower
Location: 10970
Date: 01/22
Frostweed ice sculptures
Location: 10970
Date: 10/21
Frostweed bloom with pollinator
Location: 10970
Date: 01/22
Frostweed ice sculptures
Location: Mississippi
Date: 2013-09-29
Location: Plano, TX
Date: 2017-09-12
Location: Tampa, FL
Date: 2014-10-26
At the Museum of Science and Industry
Location: Plano, TX
Location: San Antonio TX
Date: 2017-11-02
Location: Plano, TX
Date: 2018-01-01
Frozen sap
Location: Plano, TX
Date: 2018-01-01
Location: My Garden
Date: 2020-09-21
Location: My yard in Arlington, Texas.
Date: 2011-01-02
Ice formation after freeze.
Location: Fort Worth TX
Date: 2007-05-30
Stems can be trimmed in late spring and summer to encourage branc
Uploaded by LindaTX8
Location: Mississippi
Date: 2013-09-29
Location: Plano, TX
Date: 2017-09-12
Location: Tampa, FL
Date: 2014-10-26
At the Museum of Science and Industry.  About 8 feet tall.
Location: Plano, TX
Date: 2017-03-09
Location: My yard in Arlington, Texas.
Date: Spring 2010
Frostweed first gowth in spring.
Location: Plano, TX
Date: 2017-05-19
Location: Plano, TX
Date: 2017-08-25
Location: My yard in Arlington, Texas.
Date: 2011-01-02
Ice formation after freeze
Location: Plano, TX
Date: 2017-03-20
Comments:
  • Posted by jmorth (central Illinois) on Dec 6, 2011 2:34 AM concerning plant:
    An uncommon wildflower in Illinois (near Wabash River in southeast part of state) found in open woods, valleys, and by streamsides.
    Uncommon but certainly worthy of seeking out late in the fall after first hard freeze. After a hard freeze 'frost flowers' are produced. Frost flowers are ribbons of ice oozing out of cracks at the stem's base. What has transpired is pretty unusual... Sap from still living roots freezes as it emerges from dead stem, yet it elongates 'like a ribbon' as more fluid sap is pushed out.
  • Posted by imabirdnut (North Texas - Zone 7b) on Aug 30, 2012 6:52 AM concerning plant:
    Great Fall nectar plant.
    Host plant for
    Bordered Patch (Chlosyne lacinia)
    Silvery Checkerspot (Chlosyne nycteis)
    Summer Azure (Celastrina neglecta)
Plant Events from our members
chelle On May 12, 2015 Seeds germinated
Est. germination date - seedlings observed 2015-05-24.
chelle On January 27, 2015 Seeds sown
W/S - Warm 3 wks, then move outdoors.
variegatagal On March 4, 2021 Transplanted
Transplanted roots to Pond Bed. At the time, showing side shoots.
variegatagal On April 26, 2020 Transplanted
variegatagal On April 7, 2020 Obtained plant
2x Painted Flower Farm
antsinmypants On April 10, 2021 Plant emerged
antsinmypants On January 22, 2021 Seeds sown
WS - Jug 18
MySecretIslandGarden On February 17, 2023 Bloomed
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