PlantsChickweed→Snow-in-Summer (Cerastium tomentosum)

Common names:
Give a thumbs up Snow-in-Summer
Give a thumbs up Mouse-Ear Chickweed

General Plant Information (Edit)
Plant Habit: Herb/Forb
Sun Requirements: Full Sun
Full Sun to Partial Shade
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Plant Height: 15-25 cm
Plant Spread: it spreads until you stop it
Leaves: Unusual foliage color
Flowers: Showy
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Late summer or early fall
Uses: Groundcover
Will Naturalize
Propagation: Seeds: Provide light
Needs specific temperature: 70F
Days to germinate: 2-3 weeks
Depth to plant seed: 1/16 inch
Suitable for wintersowing
Sow in situ
Start indoors
Can handle transplanting
Propagation: Other methods: Cuttings: Stem
Other: take cuttings in the spring
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Awards and Recognitions: Other: UC Davis Arboretum All Star


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Posted by Bonehead (Planet Earth - Zone 8b) on Nov 12, 2013 4:55 PM

I have had difficulty with this plant in the Pacific Northwest. It does not fill out well so tends to be weedy and then when all the weeds are pulled it is leggy. I've moved it three times to different exposures, and finally just yarded it out. It never became aggressive for me, which I have heard can be a problem for others. Pretty little groundcover if it will grow in your area.

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Plant Events from our members
dragonfetti On April 1, 2015 Seeds germinated
dragonfetti On March 20, 2015 Seeds sown
BS container
dragonfetti On January 27, 2015 Obtained plant
Ferry-Morse $1.35
lovesblooms On February 11, 2015 Seeds sown
winter sown
GoCart On July 8, 2017 Transplanted
vendor pot to ground
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
2019 Chicagoland Annual Plant Swap! by pitimpinai Apr 29, 2020 8:59 AM 198
What type of plant is this? by budmac Aug 13, 2018 1:06 PM 7
Snow-in-Summer (Cerastium tomentosum) health by GoCart Apr 13, 2018 2:27 PM 3
Snow-in-Summer/Chickweed health by GoCart Mar 29, 2018 9:30 AM 0
Paper Towel seed germination by walshkeys Mar 4, 2018 3:41 PM 5
tulips and groundcover by maryellenmuckel Oct 18, 2017 3:59 PM 6
Jan's Rustic Garden by janwax Oct 16, 2021 9:43 AM 4,132
Spring flower... by Paul2032 Sep 5, 2016 8:07 AM 3
Cerastium Saga by EyeDelight Apr 20, 2016 9:01 AM 3
Chicagoland garden swap 2016 by oerickson Apr 8, 2017 1:31 PM 206

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