Photo by Melody

PlantFiles: Oregano
Origanum calcaratum

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Family: Lamiaceae (lay-mee-AY-see-ee) (Info)
Genus: Origanum (or-RI-ga-num) (Info)
Species: calcaratum (kal-ka-RAY-tum) (Info)

Synonym:Origanum calcarticum
Synonym:Origanum tournefortii

Category:
Alpines and Rock Gardens
Groundcovers
Herbs
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness:
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)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Pink
Magenta (Pink-Purple)
Chartreuse (Yellow-Green)
Violet/Lavender
Purple

Bloom Time:
Late Summer/Early Fall

Foliage:
Herbaceous
Silver/Gray
Blue-Green
Velvet/Fuzzy-Textured
Good Fall Color

Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Flowers are good for drying and preserving
Suitable for growing in containers

Soil pH requirements:
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
over 9.1 (very alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From semi-hardwood cuttings

Seed Collecting:
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By seedpicker_TX
Thumbnail #1 of Origanum calcaratum by seedpicker_TX

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral soldiersong On Nov 5, 2010, soldiersong from North Plains, OR (Zone 8a) wrote:

INVASIVE!!!! Do NOT allow to go to seed unless you want these everywhere!!!!!!!

Regional...

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

Boynton Beach, Florida
Kings Point, Florida
Loxahatchee, Florida
Dover, New Jersey
North Plains, Oregon
Plano, Texas



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