Galeopsis ladanum — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Galeopsis ladanum

Galeopsis Ladanum

Updated · 522 observations
ON THIS PLANT

Galeopsis ladanum is a species of flowering plant belonging to the family Lamiaceae.Its native range is Europe to Central Asia.

A note from PlantMom

Red hemp-nettle has strong disease resistance and is generally not likely to get diseases. Still, it can be affected by pests and diseases present in its environment. Such infections are typically not serious. Regarding care, this plant needs a moderate amount of maintenance. It should be pruned regularly to keep a good appearance and support healthy growth. Applying fertilizer can also encourage flowering. Red hemp-nettle is appropriate for anyone with an outdoor area, like a garden or patio, and does not demand much gardening experience. It may need more attention if grown indoors.

— PlantMom
CARE GUIDE

How to keep Galeopsis Ladanum.

Light

Red hemp-nettle comes from bright, open habitats and grows best in full sun. It can tolerate some shade but favors direct sunlight for optimal growth. This plant, which may be annual or biennial, is known for its preference for sunny conditions.

Water

Red hemp-nettle flourishes in environments with moderate moisture and requires consistent watering. To maintain even soil moisture without causing waterlogging, water the plant twice a week. When grown indoors, red hemp-nettle benefits from areas with stable humidity, which mimics its natural climate and promotes optimal growth.

Temperature

Red hemp-nettle can tolerate a wide range of temperatures, though its distribution may still be constrained by various combinations of moisture and heat. It does best in warm summer conditions with sufficient rainfall or watering. Extended periods of cloudy, rainy weather, as well as sustained high temperatures, can raise the likelihood of Red hemp-nettle dying. In winter, proper protection from cold can improve the plant’s survival rate.

Fertilizer

Red hemp-nettle responds well to regular, light applications of fertilizer to encourage healthy leaf development. You should feed Red hemp-nettle about once a month during the summer. Nitrogen is essential for foliage, and adding nitrogen-rich fertilizer helps Red hemp-nettle thrive.

Pruning

Red hemp-nettle is distinguished by its unique nettle-like leaves and purple-pink flowers. To promote healthier growth and encourage abundant flowering, it is best to prune the plant by deadheading spent blooms and cutting back the stems. This should be done from early to late spring to enhance its growth and maintain a compact shape.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Annual
Genus
Galeopsis
Family
Lamiaceae
Hardiness Zone
5-9
Mature Height
10 cm to 76 cm
Mature Spread
15 cm to 30 cm
Leaf Color
Green, Dark Green
Leaf Type
Semi-evergreen
Flower Color
Purple, Pink
Flower Size
1.52 cm to 2.03 cm
Bloom Time
Summer
Planting Time
Spring, Autumn
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Turkey, Austria, Sweden, Slovakia, Montenegro, Croatia, Slovenia, Belarus, Uzbekistan, Russia, Germany, Estonia, Romania, Latvia, Belgium, France, Netherlands, Czech Republic, Bulgaria, Armenia, Poland, Greece, Ukraine, Serbia, Lithuania, Norway, Kyrgyzstan, Kazakhstan, Italy, Spain, Switzerland, Denmark, Finland, Albania, Azerbaijan, Hungary
ALSO KNOWN AS

Other names.

en Hemp-nettle en Broadleaf hemp-nettle en Broad-leaved Hemp-nettle en Red Hempnettle en Red Hemp-nettle en Field hemp-nettle en Large pink hemp-nettle
FREQUENTLY ASKED

Reader questions.

What are the sunlight requirements for Red hemp-nettle?

Red hemp-nettle, scientifically known as Galeopsis ladanum, thrives in two main types of sunlight conditions: full sun and partial sun. Full sun means the plant should receive above 6 hours of sunlight daily, while partial sun refers to about 3-6 hours of sunlight each day. It's important to observe how sunlight moves throughout your garden, aiming to place your plants in locations where they can enjoy the ideal balance of light and shade. This careful placement ensures the plants' well-being and happiness.

PLATES
Galeopsis ladanum leaf
PLATE 01 · leaf
Galeopsis ladanum leaf
PLATE 02 · leaf
Galeopsis ladanum flower
PLATE 03 · flower
Galeopsis ladanum flower
PLATE 04 · flower
Galeopsis ladanum fruit
PLATE 05 · fruit
Galeopsis ladanum fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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