Photo by Melody

PlantFiles: Aristea
Aristea ecklonii

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Aristea (air-ISS-tee-uh) (Info)
Species: ecklonii (ek-lon-ee-eye) (Info)

2 vendors have this plant for sale.

3 members have or want this plant for trade.


36-48 in. (90-120 cm)

18-24 in. (45-60 cm)

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)

Sun Exposure:
Full Sun


Bloom Color:
Medium Blue

Bloom Time:
Mid Summer


Other details:
May be a noxious weed or invasive
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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By eltel
Thumbnail #1 of Aristea ecklonii by eltel

By jkom51
Thumbnail #2 of Aristea ecklonii by jkom51

By jkom51
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By kennedyh
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By MaryinLa
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By arcadon
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By bloomoon
Thumbnail #7 of Aristea ecklonii by bloomoon

There are a total of 11 photos.
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2 positives
1 neutral
2 negatives

Gardeners' Notes:

Negative Bilingabeach On Aug 24, 2013, Bilingabeach from Gold Coadt
Australia wrote:

This is an incredibly invasive weed that is basically impossible to eradicate. It should be banned from sale and should be listed as weed through out Australia. Nurserymen selling it should be made to pay fo it's eradication along with all the invasive weeds I spend my time getting rid of in our beautiful natural bush.

Positive RosinaBloom On Oct 27, 2012, RosinaBloom from Waihi
New Zealand (Zone 1) wrote:

Aristea ecklonii - one of nature's 'true blue' little beauties. It grows as a fan of pale green leaves, and has lovely blue flowers from Spring onwards which open for just a few sunlight hours. It can be found growing on the roadsides and on grass verges. I have had Aristea growing in a contained area in previous gardens.

Positive dmj1218 On Jan 13, 2007, dmj1218 from west Houston, TX (Zone 9a) wrote:

This plant plays well with others here in southeast Texas--that is to say, it is not invasive here. But it easy to grow from seed if you want to.

Negative kennedyh On Mar 18, 2003, kennedyh from Churchill, Victoria
Australia (Zone 10a) wrote:

I found this growing wild and planted it in my garden, but have come to regret that I did. It self seeds prolifically and I have been trying to eliminate it for several years now, but fresh seedlings still keep emerging.

Neutral jkom51 On Nov 23, 2002, jkom51 from Oakland, CA (Zone 9b) wrote:

Swordlike evergreen leaves in clumps are very similar to agapanthus in appearance, but flowers are not as nice. Winged, flattened flower stalks tend to flop over and aren't as conspicuous as their bright blue color would indicate. Very important to dead-head to prevent self-sowing. Drought resistant, but look a lot better with some water.

May 2003: now in their second flowering season, my aristeas have really started blooming profusely. Seem to be holding up the flower stems better too, so that one can finally admire the beautiful blue flowers. They close up at night, however.


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

Alameda, California
Martinez, California
Sebastopol, California
Walnut Creek, California
Mandeville, Louisiana
Port Norris, New Jersey
Yachats, Oregon
Austin, Texas

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