Photo by Melody

PlantFiles: Mask Flower
Alonsoa meridionalis

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Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee) (Info)
Genus: Alonsoa (ah-LON-so-uh) (Info)
Species: meridionalis (mer-id-ee-oh-NAL-iss) (Info)

Synonym:Alonsoa caulialata

2 vendors have this plant for sale.

7 members have or want this plant for trade.

Category:
Perennials

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

Spacing:
15-18 in. (38-45 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)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Pink
Red
Coral/Apricot
Orange

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

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

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
From seed; stratify if sowing indoors
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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By Joy
Thumbnail #1 of Alonsoa meridionalis by Joy

By eje
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By Happenstance
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By Calif_Sue
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By Calif_Sue
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By Ursula
Thumbnail #7 of Alonsoa meridionalis by Ursula

There are a total of 14 photos.
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Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Calif_Sue On May 24, 2005, Calif_Sue from Northern California
United States (Zone 9a) wrote:

Lots of 1 cinnabar-red flowers on neat, graceful many -branching stems to 30 tall. Long blooming! Nice in front of a bed & an excellent container plant. Cut back when it looks tired to renew bloom. Loves rich soil and usually lives 1 to 2 years in warmer zones. If you live in a hot summer area this is well worth growing as an annual.

Positive Ursula On Nov 29, 2004, Ursula from Santiago
Chile (Zone 9b) wrote:

The natural habitat of this perennial is on sunny hillsides. They grow as isolated plants as well as with the support of shrubs. They can reach up to 1.5 m height and 1 m width.

This plant requires full sun and good drainage. Do not overwater. It is recommended to pinch the new plant to ensure a more compact growth. However, this will delay blooming.

Blooming period is from Spring to end of Summer

Sowing recommendations: stratified sowing in Autumn in a mix made of 2 portions compost, one portion regular gardening soil and one portion river sand. This plant will flower the first year grown from seeds.

Alonsoas are recommended as isolated plant, in a mixed flower bed, in pots, containers and balconies, provided they are located south facing (in the Northern Hemisphere) and north facing in the Southern Hemisphere. They look great glowing through little dense shrubs.

Positive eje On Feb 21, 2004, eje from San Francisco, CA (Zone 10a) wrote:

In my zone, this is a perennial clumpy bush. Summer or fall sown seed is a great way to get some color into your winter garden. Though, it does tend to sprawl if it doesn't get enough sun. Would probably be fun in a hanging basket. It is not particularly prone to any pests or disease that I've noticed, and attracts beneficial insects (Syrphid Flies). It self sows, but the seeds do not go far. Once you start a clump, you will never be without it. I now have a red and a pink. I will be interested to see if I get any crossing.

Regional...

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

Auburn, California
Clayton, California
Hercules, California
Martinez, California
Mckinleyville, California
Richmond, California
San Francisco, California
San Jose, California
Santa Clara, California
Bellaire, Michigan
Mapleton, Oregon
Kalama, Washington



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