Common Borage

Borago officinalis

Native to:
Algeria, Baleares, Corse, France, Greece, Italy, Kriti, Libya, Morocco, NW. Balkan Pen., Portugal, Sardegna, Sicilia, Spain, Tunisia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Boraginaceae
Genus:
Borago
Species:
Borago officinalis
USDA Symbol:
BOOF

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul,aug,sep,oct
Bloom Colors:
blue, purple, pink, white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Polka-dot Wasp Moth (Syntomeida epilais)

Reported Fauna Sightings

Bees: Common eastern bumble bee (Bombus impatiens), Fuzzy-horned bumble bee (Bombus mixtus), ⚠️Western honey bee (Apis mellifera), Yellow head bumble bee (Bombus flavifrons), Yellow-faced bumble bee (Bombus vosnesenskii)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to Mediterranean region; prefers sunny locations

Propagation & Germination

Stratification:
None required
Germination Time:
5–14 days
Notes:
Direct sow in spring after last frost. Self-seeds readily. Seeds germinate best at 60-70°F soil temperature.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Resents transplanting.

Source: Ontario Rock Garden & Hardy Plant Society