Olive-leaved gromwell - Glandora oleifolia (Care, Characteristics, Distribution, Images)

Olive-leaved gromwell

Olive-leaved gromwell is a low-spreading shrub endemic to Spain that produces charming, trumpet-shaped purple-blue flowers. Although it spreads by underground stolons, it doesn't have a tendency to become invasive.

Scientific classification

Species

Olive-leaved gromwell (Glandora oleifolia)

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Perennial

Lifespan

Shrub

Plant Type

Summer

Bloom Time

15 cm to 23 cm

Plant Height

50 cm

Spread

Green

Leaf Color

15 - 32 ℃

Ideal Temperature

Images of Olive-leaved gromwell

Distribution of Olive-leaved gromwell

Distribution Map

Olive-leaved gromwell is primarily native to the western Mediterranean region. Its natural habitat encompasses temperate areas of southern Europe, where it thrives in the wild. Beyond its native range, olive-leaved gromwell has been introduced and cultivated in various other parts of the world, notably within similar climates, where it has adapted well to local conditions.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Gardens

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Olive-leaved gromwell

Every 2-3 weeks

Water

Full sun

Sunlight

15 - 32 ℃

Ideal Temperature

Water: Originating from arid regions, olive-leaved gromwell is drought-tolerant and requires watering once every 2-3 weeks. While often grown outdoors, ensure adequate drainage during the growing season to prevent root rot from unexpected heavy rain.

Fertilize: Olive-leaved gromwell thrives with balanced fertilizer during spring and summer, shifting to high-nitrogen pre-flowering. Apply quarterly or bi-monthly, using moderate amounts to avoid root burn. Seasonal adjustments enhance nutrient availability, while slow-release or diluted options ensure safety. Use gloves for added protection when applying.

Pruning: Olive-leaved gromwell is a shrub with narrow, olive-like leaves and striking blue flowers. Prune from early to late winter by removing dead wood and thinning for airflow. Shape carefully to maintain form. Proper pruning fosters healthier growth and abundant flowering; use clean, sharp tools.

Propagation: Olive-leaved gromwell is a perennial plant that thrives with effective propagation techniques, particularly softwood cuttings. Successful rooting demands a well-draining medium, consistent moisture, and partial shade. Hormone treatments can aid rooting, and careful transplanting is crucial for maintaining durability and ornamental appeal.

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