Photo by Melody

PlantFiles: Sea Holly, Leavenworth Eryngo, Purple Button-Willow
Eryngium leavenworthii

Family: Apiaceae (ay-pee-AY-see-ee) (Info)
Genus: Eryngium (er-RIN-jee-um) (Info)
Species: leavenworthii (lev-en-WER-thee-eye) (Info)

One vendor has this plant for sale.

21 members have or want this plant for trade.


12-18 in. (30-45 cm)

12-15 in. (30-38 cm)

Not Applicable

Sun Exposure:
Full Sun

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall

Grown for foliage

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Wear gloves to protect hands when handling seeds

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By Terry
Thumbnail #1 of Eryngium leavenworthii by Terry

By Jeff_Beck
Thumbnail #2 of Eryngium leavenworthii by Jeff_Beck

By Jeff_Beck
Thumbnail #3 of Eryngium leavenworthii by Jeff_Beck

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Thumbnail #4 of Eryngium leavenworthii by Jeff_Beck

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Thumbnail #5 of Eryngium leavenworthii by Jeff_Beck

By GardenGuyKin
Thumbnail #6 of Eryngium leavenworthii by GardenGuyKin

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Thumbnail #7 of Eryngium leavenworthii by DaylilySLP

There are a total of 12 photos.
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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive bertwp On Oct 10, 2009, bertwp from Minneapolis, MN (Zone 4b) wrote:

Beautiful purple/violet color. How do you know when the seeds are ready to harvest?

Positive LindaTX8 On Aug 28, 2006, LindaTX8 from NE Medina Co., TX (Zone 8a) wrote:

Plant this one in an area where people will not brush up against it as it's quite prickly. A hot sunny area wouldn't be a seems to like that. The purple will show up during it's mature blooming stage and it looks cool then! If you collect seed, put on thick gloves. It could be painful handling it otherwise.


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

Minneapolis, Minnesota
Claremore, Oklahoma
Fort Worth, Texas
Granbury, Texas
Helotes, Texas
San Antonio, Texas
Spicewood, Texas
Uvalde, Texas
Wylie, Texas

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