Hypericum montanum — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Hypericum montanum

Hypericum Montanum

Updated · 252 observations
ON THIS PLANT

Hypericum montanum is a plant species in the genus Hypericum commonly known as pale St. John's-wort or mountain St. John's wort. It is native to Eurasia and Morocco in North Africa.

A note from PlantMom

Perforate St. John's Wort is fairly resistant to disease and is generally not prone to illnesses. However, it can be vulnerable to pests and diseases present in its environment. These problems are typically mild. In terms of care, this plant needs moderate maintenance. It should be pruned regularly to keep a neat appearance and encourage healthy growth. Fertilizing can also help boost flowering. Perforate St. John's Wort is well suited for anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may require more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Hypericum Montanum.

Light

Perforate St. John's Wort is a sun-loving perennial herbaceous plant native to open habitats, often thriving in meadows and grasslands. It prefers full sun, though it can tolerate partial sun conditions.

Water

Pale St. John's wort, native to temperate regions, flourishes with moderate moisture and consistent hydration. While it can endure short dry spells, watering it weekly will maintain its health and replicate its natural water intake. Typically cultivated outdoors, this plant thrives with well-balanced soil moisture, which helps prevent waterlogging during its active growing season.

Temperature

Perforate St. John's Wort can tolerate a wide range of temperatures, but its distribution can still be restricted by different combinations of moisture and heat. It performs best in warm summer conditions with sufficient rainfall or watering. Extended stretches of cloudy, rainy weather or prolonged high temperatures can raise the risk of the plant dying. In winter, adequate protection from the cold can increase its chances of survival.

Fertilizer

The best time to fertilize Perforate St. John's Wort is in early spring, as it comes out of dormancy and starts active growth. Fertilizing supplies essential nutrients for healthy development. Although Perforate St. John's Wort has fairly low fertilizer requirements, applying fertilizer annually can improve its survival and encourage better, longer-lasting blooms.

Pruning

To keep Pale St. John's Wort healthy and flourishing, it is important to prune it during early and late spring. Begin by removing any damaged wood and thinning out older stems to enhance the plant’s health and flowering potential. Each year, trim about one-third of the plant to rejuvenate it. After the first bloom, prune the plant again to encourage a second round of flowers. Always ensure your tools are clean to prevent the spread of disease.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Hypericum
Family
Hypericaceae
Hardiness Zone
5-9
Mature Height
30 cm to 61 cm
Mature Spread
30 cm to 49 cm
Leaf Color
Green, Dark Green
Leaf Type
Deciduous
Flower Color
Yellow
Flower Size
1.52 cm to 2.54 cm
Bloom Time
Summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Turkey, Tunisia, Italy, Spain, France, Cyprus, Algeria, Greece, Morocco, Portugal
ALSO KNOWN AS

Other names.

en Pale St. John's-wort en Pale St John's-wort en Mountain hypericum en Mountain St John's-wort en Pale Saint-John's-wort
PLATES
Hypericum montanum leaf
PLATE 01 · leaf
Hypericum montanum leaf
PLATE 02 · leaf
Hypericum montanum flower
PLATE 03 · flower
Hypericum montanum flower
PLATE 04 · flower
Hypericum montanum fruit
PLATE 05 · fruit
Hypericum montanum fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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