Photo by Melody

PlantFiles: Rose Mallow, Annual Mallow
Lavatera trimestris 'Silver Cup'

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Lavatera (lav-uh-TEER-uh) (Info)
Species: trimestris (try-MES-tris) (Info)
Cultivar: Silver Cup

One vendor has this plant for sale.

11 members have or want this plant for trade.


18-24 in. (45-60 cm)

15-18 in. (38-45 cm)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
From seed; sow indoors before last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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By Lilith
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By Weezingreens
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By AnneCS
Thumbnail #7 of Lavatera trimestris by AnneCS

There are a total of 11 photos.
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4 positives
No neutrals
No negatives

Gardeners' Notes:

Positive woofie On Jul 6, 2008, woofie from Chewelah, WA (Zone 5a) wrote:

Photos do not do justice to this little beauty. Grew it for the first time this year and it will definitely be a permanent fixture in my garden. The seed packet said it doesn't transplant well so I started them in peat pots which worked nicely. They are blooming profusely in containers in my garden.

Positive AnneCS On Nov 11, 2007, AnneCS from Vaughan, ON (Zone 5b) wrote:

Gorgeous blooms until frost and so easy to grow from seed sown directly outdoors.

My 'Silver Cup' Lavatera easily outgrew the usual listed height of 24". To be sure I wasn't exaggerating, I ran out there with a tape measure a few minutes ago. A majority of the plants reached 3' with no special care and the tallest of them reached 68"!

Positive ginnylynn On Sep 16, 2005, ginnylynn from Blyth, ON (Zone 5b) wrote:

Lavatera 'Siver Cup' is a wonderful plant that flourishes with very little care. It grows easily from seed and just flowers its little heart out until frost in my zone 5b garden. Flowers are abundant and seed is both easy to collect and easy to identify. I love this plant and wouldn't be without it!

Positive LilyLover_UT On Jan 17, 2005, LilyLover_UT from Ogden, UT (Zone 5b) wrote:

'Silver Cup' has large, bright pink flowers that really stand out in the garden. Lavatera is easy to grow from seed.


This plant has been said to grow in the following regions:

Anchorage, Alaska
Seward, Alaska
Fortuna, California
Vacaville, California
Snyder, Colorado
Edinburg, Illinois
Marlborough, Massachusetts
Norfolk, Nebraska
Averill Park, New York
Grand Bend, Ontario
Chewelah, Washington

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