Oregano
Origanumcalcaratum

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

Synonym:Origanum calcarticum

Synonym:Origanum tournefortii

Category
Alpines and Rock Gardens
Groundcovers
Herbs
Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous
This plant is resistant to deer
Succulent

Foliage Color
Bronze
Blue-Green

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)

Where to Grow
Can be grown as an annual

Danger
N/A

Bloom Color
Pink
Magenta (pink-purple)
Green
Lavender
Medium Purple

Bloom Characteristics
Flowers are good for drying and preserving
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Late Summer/Early Fall

Other details

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

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