Photo by Melody

PlantFiles: Formosan Lily, Taiwanese Mountain Lily
Lilium formosanum

Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Lilium (LIL-ee-um) (Info)
Species: formosanum (for-MOH-sa-num) (Info)

» View all varieties of Lilies

2 vendors have this plant for sale.

31 members have or want this plant for trade.

9 - Species

Flower Habit:
(b) Out-facing

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

9-12 in. (22-30 cm)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
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)

Sun Exposure:
Sun to Partial Shade

Bloom Color:
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall

Flower Shape:

Bloom Size:
3" to 6" (76 mm to 150 mm)
6" to 12" (151 mm to 300 mm)

Color Pattern:
Unknown - Tell us


Other details:
Flowers are fragrant
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:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
By dividing the bulb's scales
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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There are a total of 19 photos.
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5 positives
1 neutral
No negatives

Gardeners' Notes:

Positive OhioLarch On Oct 28, 2010, OhioLarch from Monroe, OH (Zone 6a) wrote:


My plants have self-sown a fair bit.

Folks who like to arrange may be interested in the dried seed pods.

Positive lzyjo On Feb 22, 2010, lzyjo from Thompsons Station, TN (Zone 7a) wrote:

This is an easy-to-grow lily. Adaptable to harsh conditions. Flowered in about 18 months from seed. The only lily seedling to survive in my unamended clay soil. Subtle scent if your nose is IN the flower. Similar appearance to the regular Easter lilies. Worth growing for it's impressive height alone.

Positive Ficurinia On Sep 27, 2009, Ficurinia from Portland, OR wrote:

Several years ago I purchased seeds for this plant from the online catalog at Monticello (aka Thomas Jefferson's home). This year, my first "baby" bloomed and I was amazed by its beauty. Though still young, with only one large bloom, it lasted and lasted in our summer heat. I cannot wait for its siblings to bloom next year, and to collect the seeds from this year's bloom. I want more of these in my garden!

Positive SudieGoodman On Aug 7, 2005, SudieGoodman from Broaddus, TX (Zone 8b) wrote:

zone 8b, Broaddus, southeast, TX
I am thrilled to report that I rescued my Formosan/Philipine lily from a nearby bar ditch before the mowers made their cut!
I potted up a good root system & overwintered lily in greenhouse. It bloomed, made a bundle of seeds. These seeds were planted outside greenhouse later and made a beautiful plant loaded with white, Easter Lily like blossoms. So refreshing to have them bloom in the hotest part of summer. July-September 2005.
Try it, you will love it!
Thank you, DG friends, for lovely pictures of your lily!

Positive aking1a On Jul 29, 2005, aking1a from Baton Rouge, LA (Zone 8b) wrote:

Easy grower - but gets 7-8 feet tall and needs to be staked. Looks like an Easter Lily on a long pole!

Neutral Baa On Aug 28, 2002, Baa wrote:

A species lily from Taiwan.

Has deep green, linear to lance shaped leaves. Bears large, trumpet shaped, scented flowers with white petals flushed dark pink/reddish on the outside.

Flowers July - September

Loves a moist but well-drained, neutral to acid soil in sun or light shade. It's not very hardy and may require winter protection in cold regions or grown as a greenhouse plant.


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

Wetumpka, Alabama
Elk Grove, California
Portola, California
Boca Raton, Florida
Chattahoochee, Florida
Keystone Heights, Florida
Atlanta, Georgia
Braselton, Georgia
Mount Prospect, Illinois
Macy, Indiana
Gonzales, Louisiana
Jennings, Louisiana
New Orleans, Louisiana
Pollock, Louisiana
Ijamsville, Maryland
Lexington, Massachusetts
Dearborn Heights, Michigan
Monroe, Ohio
Portland, Oregon
Wilkes Barre, Pennsylvania
Middleton, Tennessee
Thompsons Station, Tennessee
Austin, Texas
Broaddus, Texas
Colmesneil, Texas
Spring, Texas

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