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PlantFiles: Japanese Arrowhead
Sagittaria sagittifolia

 
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Family: Alismataceae
Genus: Sagittaria (saj-ee-TAR-ee-uh) (Info)
Species: sagittifolia (sag-it-ee-FOH-lee-uh) (Info)

Synonym:Sagittaria trifolia

Category:
Ponds and Aquatics

Height:
24-36 in. (60-90 cm)

Spacing:
24-36 in. (60-90 cm)

Hardiness:
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Summer

Foliage:
Herbaceous
Smooth-Textured

Other details:
May be a noxious weed or invasive
Very high moisture needs; suitable for bogs and water gardens
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By Baa
Thumbnail #1 of Sagittaria sagittifolia by Baa

Profile:

No positives
1 neutral
1 negative

Gardeners' Notes:

RatingAuthorComment
Negative caron On Nov 25, 2004, caron from Woodland Park, CO (Zone 4b) wrote:

U. S. FEDERALLY LISTED NOXIOUS WEED.
Not allowed for import to the US and not allowed in any interstate or intrastate transportation without a specific permit from USDA APHIS PPQ (Plant Protection and Quarantine).

Neutral Baa On May 16, 2002, Baa wrote:

A marginal, perennial, pond plant from Europe and Asia.

Has mid-green, arrow shaped leaves with 2 acute lobes. Bears long stems (up to 3ft) of white flowers, each petal has a purple spot at the base.

Flowers June-September

Needs a pond to grow successfully. Plant no deeper than 1ft under the water in full sun.

Has an indefinite spread so you will need to cut it back to a manageable size at the end of summer. Take off the old flowers to prevent it from seedling everywhere.

Very tenacious of life, the vagaries of living in our back garden has seen several leaves knocked off in spring. The plant then produced leaves from very nearly the same spot as the old leaves. Be sure you really want to grow this plant!

Regional...

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

New Orleans, Louisiana



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