Does nettle grow in New Zealand?
The tree nettle is one of New Zealand’s most poisonous native plants. Standing about two metres tall, its coarsely toothed leaves have numerous white stinging hairs (trichomes), up to 6 mm long, at the tip of each tooth as well as on young stalks and leaf veins.
Is ongaonga poisonous?
Ongaonga or tree nettle is covered in needle-like stinging hairs that give off a poison when brushed against. The sting is quite painful and the area around it may go numb for a short period. People have become sick or have died after blundering into a patch of tree nettle.
Where are stinging nettles native?
Stinging nettle, or Urtica dioica, is a flowering plant that is found worldwide. It is native to northern Africa, North America, Asia, and Europe. Here in the United States, it is found in every state except Hawaii, though it grows most abundantly in areas with high annual rainfall.
Are there different varieties of stinging nettles?
This species has two widespread, subspecies that include the subspecies gracilis, commonly known as American stinging nettle, California nettle, coast nettle, or Lyall nettle, and the subspecies holosericea, known as California slender nettle, creek nettle, giant creek nettle, hedge nettle, hoary nettle, or mountain …
How do stinging nettles grow NZ?
Getting started
- When. Plant or sow in early spring and summer.
- Where. Nettles will grow in full sun or part shade.
- Soil. To grow tender leaves for kitchen grow nettles in a slightly moist soil, rich soil organic material such as compost or rotted manure dug through it.
How do you get rid of stinging nettles NZ?
For quick and effective control of nettles apply Weed Weapon Extra Strength or Rapid Action. It will knock down nettles in 2-7 days. For best results apply in Spring, Summer or Autumn when the plant is in active growth.
What native New Zealand plants are poisonous?
Some other native plants are poisonous:
- Kōwhai (Sophora species) – its yellow seeds are poisonous if chewed.
- Tītoki (Alectryon excelsus) – contains cyanide-producing poisons.
- Ngaio (Myoporum species) – has poisonous leaves.
- Karaka (Corynocarpus laevigatus) – has a poisonous seed in its fleshy orange fruit.
Is there a difference between nettle and stinging nettle?
Nettle leaf tea is derived from the leaves of the common nettle plant, also known as the stinging nettle. The scientific name for this plant is Urtica dioica. The ‘stinging’ moniker is apt, as handling the plant with exposed skin is known to produce a burning sensation that persists after contact.
How do you identify stinging nettles?
Nettles grow 2 to 5 feet tall and have opposite leaves. The leaves are coarsely toothed, pointed on the ends, and can be several inches long. Smaller, younger leaves are more heart-shaped. True to its name, stinging nettle imparts a painful sting through tiny hairs on the underside of its leaves and on its stems.
What is the difference between nettle and stinging nettle?
What is the difference between dead nettle and stinging nettle?
Unfortunately, deadnettles and stinging nettles often grow together. Deadnettles have smoother leaves and a green stem (white arrow). Stinging nettles leaves (red arrow) have a slightly furry appearance due to the stings.
How do you control stinging nettles NZ?