Urtica incisa, commonly called scrub nettle, stinging nettle, and tall nettle, is an upright perennial herb native to streams and rainforest of eastern and southern Australia, from the north–east southwards through the east, of Queensland and New South Wales, then across the south, through Victoria, Tasmania, south-eastern South Australia and parts of southern Western Australia. Also widespread in the North and South Island of New Zealand.
Tall nettle is fairly resistant to disease and is usually not highly susceptible. However, it can be vulnerable to pests and diseases present in its environment. Such infections are generally mild. For care, the plant requires moderate maintenance. It should be pruned regularly to retain a neat appearance and support healthy growth. Fertilizing can also encourage flowering. Tall nettle is well suited to anyone with outdoor space, such as a garden or patio, and does not demand extensive plant care experience. It may need more attention when kept indoors.
How to keep Urtica Incisa.
Light
Tall nettle is native to habitats such as forest understories and rocky areas, where it receives natural shade. It prefers partial sun but can adapt to full sun or full shade, demonstrating its versatile and hardy nature.
Temperature
Tall nettle 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 climates with sufficient rainfall or watering. Extended spells of cloudy, rainy weather or prolonged high temperatures can increase the risk of Tall nettle dying. In winter, protecting it from cold can boost the plant's survival rate.
Fertilizer
One application of fertilizer in spring is generally enough for Tall nettle, though multiple feedings can enhance growth. Fertilize about once every month to six weeks. Fertilization improves the appearance and function of the leaves, helping maintain even color and a healthy texture. It also promotes root development and nutrient uptake, supporting long-term plant health.
Pruning
Tall nettle benefits greatly from early spring pruning, which encourages healthy new growth. To improve air circulation and reduce the risk of disease, remove any old or damaged stems. Regular trimming helps manage the plant's size and prevent it from becoming invasive, ultimately enhancing both its vigor and aesthetic appeal.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Urtica
- Family
- Urticaceae
- Hardiness Zone
- 4-8
- Mature Height
- 49 cm to 91 cm
- Mature Spread
- 30 cm to 61 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Size
- 0.20 cm to 0.25 cm
- Bloom Time
- Mid fall, Late fall, Early winter
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late fall, Early winter, Mid winter
- Native Area
- New Zealand
Other names.
Reader questions.
What is the botanical name of Tall Nettle?
The botanical name of Tall Nettle is Urtica incisa.
