Crucianella angustifolia — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Crucianella angustifolia

Crucianella Angustifolia

Updated · 77 observations
ON THIS PLANT
A note from PlantMom

Narrow-leaf crucianella has strong disease resistance and is generally not prone to illnesses. However, it can be affected by pests and diseases present in its surroundings. These infections are typically not severe. In terms of care, this plant needs moderate upkeep. It should be pruned regularly to preserve a good appearance and maintain healthy growth. Applying fertilizer can also help encourage flowering. Narrow-leaf crucianella is appropriate for anyone with outdoor space, such as a garden or patio, and does not require extensive care experience. It may need more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Crucianella Angustifolia.

Light

Narrow-leaf crucianella comes from open, well-lit habitats and grows best in full sun. It will tolerate some partial shade but prefers direct sunlight for optimal development. This plant, which can be annual or biennial, is noted for its sun-loving habit.

Temperature

Narrow-leaf crucianella can tolerate a wide range of temperatures, but its distribution may still be restricted by particular combinations of moisture and heat. It does best in warm summer conditions with sufficient rainfall or watering. Extended periods of cloudy, rainy weather or prolonged high temperatures increase the chance of the plant dying. In winter, adequate protection from cold can raise its survival rate.

Fertilizer

Narrow-leaf crucianella responds well to regular, low-strength fertilizer applications to encourage healthy leaf growth. You should apply fertilizer to Narrow-leaf crucianella roughly once a month during the summer months. Nitrogen is important for foliage, and adding nitrogen-rich sources helps Narrow-leaf crucianella thrive.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Annual
Genus
Crucianella
Family
Rubiaceae
Hardiness Zone
7-10
Mature Height
10 cm to 30 cm
Mature Spread
15 cm to 25 cm
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
Yellow
Flower Size
0.25 cm to 0.51 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring, Summer
Harvest Time
Mid summer, Late summer, Early fall
Native Area
Libya, Turkey, Tunisia, Montenegro, Bulgaria, Armenia, Greece, Croatia, Morocco, Serbia, Russia, Italy, Spain, France, Iran, Albania, Azerbaijan, Algeria, Romania, Portugal
ALSO KNOWN AS

Other names.

en Narrowleaf crucianella en Narrow-leaved crosswort en Narrow-leaved crucianella en Narrow-leaf crucianella
PLATES
Crucianella angustifolia leaf
PLATE 01 · leaf
Crucianella angustifolia leaf
PLATE 02 · leaf
Crucianella angustifolia flower
PLATE 03 · flower
Crucianella angustifolia flower
PLATE 04 · flower
Crucianella angustifolia fruit
PLATE 05 · fruit
Crucianella angustifolia fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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