mexican feather grass oregon

Is Mexican feather grass invasive in Oregon?

“You've got to be diligent.” Several of these thugs had been recommended for low-water, low-maintenance gardens. “In particular, there's a lot of concern over Mexican feather grass (Nassella tenuissima or Stipa tenuissima),” McClure said. “It's now considered an invasive plant (and a danger to wildlife areas).”

Where does Mexican feather grass grow?

Mexican feather grass grows best in full sun and well-drained soil. This hardy grass likes life on the dry side and will suffer if planted in areas with heavy, wet soil. You can also grow Mexican feather grass in pots and planters.

Is Mexican feather grass a perennial?

Mexican feathergrass is a perennial bunchgrass with erect, slender culms approximately 40 inches long.

Does Mexican feather grass need to be cut back?

Mexican Feather Grass (Nassella tenuissima) does not need annual pruning. When individual plants look shabby, they can be cut back in September to a height of about 3 inches.

Why is my Mexican feather grass turning brown?

Mexican feathergrass prefers well-drained soil and will go dormant when it's too hot and dry or too cold. Even in good conditions, part of it might lie on the ground or turn brown.

What zone is Mexican feather grass?

HABITAT & HARDINESS: Nasella tenuissima is native to rocky open slopes, dry woods with shallow rocky soils, grasslands and montane forest clearings. Plants occur in New Mexico, west Texas and in Mexico, Chile and Argentina. Plants are hardy from USDA Zones 6-10.

Will Mexican feather grass grow in shade?

Mexican Feather Grass will grow to be about 20 inches tall at maturity, with a spread of 24 inches. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. ... This plant does best in full sun to partial shade.

How often do you water Mexican feather grass?

Stipa Mexican Feather Grass Care

Once established, stipa feather grass is extremely drought tolerant and thrives with very little supplemental moisture. However, a deep watering once or twice monthly is a good idea during the summer. Cut down old foliage in early spring.

How do you maintain Mexican grass?

The following tips will be very useful to maintain shady grass Lawn areas:

Do not add extra water and fertilizer as an alternative to sunlight as it will only lead to diseases and fungus in the lawn.
Focus on the branches at the bottom and middle areas of the tree by trimming the large ones blocking the sunlight.

Can you trim Mexican feather grass in summer?

You can prune anytime after the plants go fully brown, as long as you do so before they start growing again in spring (you don't want to nip the fresh new growth tips). The grasses themselves will give you your cue.

Is feather grass invasive?

Nassella tenuissima, also known as Mexican feathergrass, and formerly known as Stipa tenuissima, is an emerging invasive plant in California. An invasive plant is an introduced species that out-competes native plants and wildlife for space and resources, causing harm — and is often difficult to remove or control.

Should I trim ornamental grasses?

First Ornamental Grass Rule of Thumb: Cut back warm season grasses in fall or by mid to late spring. ... Not all ornamental grasses look good through the winter, trim back those that don't look good in the fall. Second Ornamental Grass Rule of Thumb: Cut back cool season grasses in very early spring.

What happens if you don't Cut back ornamental grasses?

This is for emergencies only, though. They don't appreciate harsh pruning and this could weaken or even kill them if you repeat it annually. The majority of commonly grown ornamental grasses, however, are deciduous. Their foliage dies and turns brown in the fall, but often remains standing.

Do ornamental grasses die in winter?

Most ornamental grasses develop tall seed heads late in the summer that naturally persist through the winter. When temperatures start to drop the plant will die back, leaving the dried foliage, stalks, and seed heads. ... Many people enjoy the colors and movement that these elements provide in winter.

How big is Mexican feather grass?

This is a waterwise plant! Mexican feather grass grows to about 18 inches to two feet tall and a foot or two wide.

Do you cut back feather grass?

Non-Evergreen Grasses

Note: The Feather Reed Grasses, particularly Calamagrostis 'Karl Foerster,' should be cut back by mid-February. It is important to cut them back prior to new growth beginning in spring because pruning cuts that damage the new season's growth will remain unsightly all season on the fresh foliage.

When should Stipa Tenuissima be cut back?

Stipa capillata, Stipa tenuissima

If you don't want loads of Stipa tenuissima seedlings you can do this pruning in autumn but do remember that the plants are short lived and fresh seedlings are needed to replace losses.

How do you look after Mexican feather grass?

Indifferently in spring or fall in well drained soil. Select a very sunny location and try to set it towards the front of a bed to make the most of its beautiful panicles. Mexican feather grass is hardy and can cope with temperatures as low as 14°F (-10°C). Pony tails prefers poor soil to rich soil.

How does Mexican feather grass spread?

Mexican Feather Grass Named Invasive

It produces tens of thousands of seeds, which are dispersed by wind, water or contaminated soil – as well as via automobiles and animal droppings. The seed-bank can persist for more than four years and the plant commonly self-sows in California.

How much is Mexican feather grass?

Nassella tenuissima

Size	Price	Quantity
1 Gallon Pot	$19.95	Out of stock
PRE-ORDER: 1 Gallon Pot	$19.95