Eichhornia Secies, Anchored Water Hyacinth, Peacock Hyacinth

Eichhorniaazurea

Genus
Eichhornia (ike-HORN-ee-uh)
Species
azurea (a-ZOOR-ee-uh)
Synonym
Eichhornia aquatica
Sun Exposure
Full Sun
Foliage
Evergreen
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
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)
Danger
Seed is poisonous if ingested
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Pale Yellow
Medium Purple
Bloom Time
Blooms repeatedly
Other Details
Category
Ponds and Aquatics
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Blue-Green
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Chula Vista, California

Fresno, California

Jacksonville, Florida

Lakeland, Florida

Niceville, Florida

Orange Springs, Florida

Pompano Beach, Florida

Barbourville, Kentucky

Gonzales, Louisiana

Cumberland, Maryland

Lake George, Minnesota

Averill Park, New York

Houston, Pennsylvania

Wilkes Barre, Pennsylvania

Harlingen, Texas

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Featured Videos

Gardener's Notes:

6
positives
1
neutral
4
negatives
Sort By:
Sort By:
P
Lakeland, FL (Zone 9a) | April 2016 | positive

I have yet to see the difference between a Eichhornia azurea and a Eichhornia crassipes.
Azurea is supposedly "anchored" making i...Read More

C
ROSLINDALE, MA | February 2016 | negative

The sale, transportation, purchase, and cultivation of this species is federally prohibited throughout the US. "Although outlawed, some s...Read More

K
Coral Springs, FL (Zone 10b) | May 2010 | positive

I love this plant. The flower is amazing. But they do multiply quickly so please do not release these plants into any waterways. They ...Read More

G
Jacksonville, FL | August 2009 | positive

We grow a few in our koi pond and they do wonderful until the first freeze. They create a nice green floating carpet and on occassion we get blooms

N
Cumberland, MD (Zone 6a) | August 2009 | positive

I love it with it's little air bladders. Spreads nicely, pretty lavender flowers & not at all invasive here. Turns to mush at the first g...Read More

P
Los Alamos, NM (Zone 5a) | November 2008 | negative

This beautiful plant is a major problem to navigation in Louisiana and Mississippi at a minimum. They grow so fast and so tightly that ...Read More

D
Chula Vista, CA | September 2007 | neutral

I grow it as an annual in my small water pot in full sun. For some reason, it only blooms when the weather here gets very hot (which is...Read More

P
Niceville, FL (Zone 8b) | June 2007 | positive

Although this plant can cause chaos when left unchecked, it is quite spectacular when in bloom. The plants that I have anchored in my bo...Read More

F
Josephine, Arlington, TX (Zone 8a) | December 2006 | negative

Anchored Water Hyacinth, Peacock Hyacinth Eichhornia azurea is naturalized in Texas and other States and is considered an invasive noxiou...Read More

T
T
Santa Fe, TX (Zone 9b) | October 2005 | positive

These plants have volunteered in our Lily pond. They are growing in competition with the Cattails. These are over 3 feet tall, and very...Read More

C
C
Woodland Park, CO (Zone 4b) | November 2004 | negative

U. S. FEDERALLY LISTED NOXIOUS WEED.
Not allowed for import to the US and not allowed in any interstate or intrastate transportat...Read More

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