Photo by Melody

PlantFiles: Beardtongue, Beard Tongue
Penstemon barbatus 'Rondo Mix'

Family: Plantaginaceae
Genus: Penstemon (PEN-stem-on) (Info)
Species: barbatus (bar-BAY-tus) (Info)
Cultivar: Rondo Mix

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3 members have or want this plant for trade.


18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

9-12 in. (22-30 cm)

USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
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)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Magenta (Pink-Purple)
Fuchsia (Red-Purple)
Dark Blue

Bloom Time:
Mid Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Bag seedheads to capture ripening seed

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There are a total of 21 photos.
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4 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive rosiesgarden2001 On Apr 20, 2012, rosiesgarden2001 from Gridley, IL wrote:

most penstemon are short lived perennials even where zone hardy; it is so easy to keep them going when you allow some seed to ripen and scratch it in beside the parent. they do rebloom well if deadheaded. i grow on western slope, mix pebbles and moisture plus polymers just under roots, it reduces watering that 1st yr,and they can't drown. i use moisture polymers under all my plants now, and operate as a drought garden except for new plants. don't put mulch close to stems of penstemon--rot., or overwater. drainage essential. be sure to check for zone hardiness. in the case of penstemon,figure 1 zone further N than the chart reads.i love all the varieties of pen., husker red the least, it is a bit boring, but all U of Neb varieties very long lived and reliable.

Positive ms_greenjeans On Jun 16, 2011, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:

I'm a penstemon fan, even though they are short-lived. I have had pretty good luck with Husker Red if I divide and replant about every other year. I just planted Rondo Mix last year, and it is flowering nicely right now. I got a good mix of pastel colors, and it's very pretty. Hopefully I can keep these going with a similar strategy.

Neutral suewylan On Jul 28, 2010, suewylan from North Fork, CA (Zone 7b) wrote:

Here in the Sierra Foothills, these started out well and bloomed nicely. After 4 years only one of twelve is left, so I'd say this is a shorted lived perennial here. I'd definitely get it again.

Positive art_n_garden On Jun 27, 2009, art_n_garden from Colorado Springs, CO (Zone 6a) wrote:

'Rondo Mix' is probably my favorite penstemon out of probably 20 varieties I grow- maybe one of the top 10 perennials I grow. It is stout and solid looking, and I agree it does not flop like other penstemons have the tendency to do. I have two different varieties of color - a deep blue/purple and a deep light pink. Both are long blooming and stand out among other flowers.
I have had ease and success at starting them from seed indoors in the winter, and they tend to bloom the first year from seed.

Positive Gabrielle On Jan 28, 2006, Gabrielle from (Zone 5a) wrote:

Plentiful flowers on short, sturdy stalks. 'Rondo Mix' does not have the tendency to flop as some other varities of Penstemon barbatus do. One of my favorite Penstemons. Stratification aids germination of seeds. They will rebloom if deadheaded.

Neutral bigcityal On Dec 10, 2005, bigcityal from Menasha, WI (Zone 5a) wrote:

This plant doesn't seem to flower as much and look as nice as the "Husker Red" , but it has some colored flowers.


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

Chuichu, Arizona
North Fork, California
Colorado Springs, Colorado
Hotchkiss, Colorado
Augusta, Georgia
Boise, Idaho
Chicago, Illinois
Gridley, Illinois
Swansea, Massachusetts
Hopkins, Minnesota
Saint Paul, Minnesota
Albuquerque, New Mexico (2 reports)
Defiance, Ohio
Norristown, Pennsylvania
Renfrew, Pennsylvania
Kalama, Washington
Ellsworth, Wisconsin
Menasha, Wisconsin
Watertown, Wisconsin

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