(Tall Oatgrass)

Tall oatgrass is a perennial tufted grass. It is native to Eurasia but is widely introduced in North America, Hawaii, Australia and New Zealand because it was originally planted as a pasture grass. It is now considered an invasive weed of old fields, prairies and natural meadows.

This prolific grass has medium green blades that are tall, upright, linear and rough to the touch. The inconspicuous pale green or purple flowers are produced in late spring and early summer and resemble oats. Oatgrass...

(Tall Oatgrass)

Bulbous oatgrass is a perennial clump-forming grass and spreads rapidly by round bulb-like corms. It is native to Europe but considered an invasive weed in the western United States. It spreads and quickly escapes beyond the confines of a garden, so most refrain from planting it.

This prolific grass has medium green blades that are short, upright, linear and rough to the touch. The inconspicuous pale green or purple flowers are produced in late spring and early summer and resemble oats.

Bulbous...

(Tall Oatgrass, Variegated Tall Oatgrass)

This variegated grass spreads quickly by small round corms. Its pretty blades are gray-green with white edges.

Bulbous oatgrass is a perennial grass that is native to Europe. It is considered an invasive weed in many parts of the western United States. It spreads and may escape beyond the confines of a garden, so manage it diligently if you plant it.

This prolific grass has green and white blades that are short, upright, linear and rough to the touch. The inconspicuous pale green flowers are...

(Powis Castle Wormwood, Wormwood)

When it comes to super silver foliage nothing performs like ‘Powis Castle’!

This distinctive wormwood is a large, semi-woody, mound-forming, deciduous perennial. From spring to fall it offers feathery silver leaves that partner well with many other flowering ornamentals. In late summer insignificant silver and yellow tinged panicles of blooms may appear, though ‘Powis Castle’ often does not flower. If blooms do appear simply remove them to keep the distinctive soft textured foliage neat looking....

(Southernwood)

Southernwood is a deciduous to semi-evergreen shrub that produces fragrant gray green, feathery, foliage. This southern Europe native has panicles of insignificant yellowish gray flowers in late summer.

Southernwood does best in well drained, fertile soil and full sun. In heavy soils the plant will be short lived. The lemon-scented foliage of this plant is of much interest and is a great addition to any shrub border. It has some medicinal purposes and be of use to people with an interest in...

(Absinthe, Wormwood)

Absinth, or wormwood, is a clump forming, woody, perennial that is native to Europe and Asia. The aromatic, hairy, silver gray foliage also bears panicles of insignificant grayish yellow flowers.

This plant is best grown in rich, well drained soil and full sun. It is commonly used as an ingredient in the liquor absinthe and has other medicinal purposes that may be useful for an herb garden. It is also excellent in a rock garden or in the background in a perennial border. It is a lovely companion...

(Absinthe, Variegated Absinthe)

Variegated absinth, or wormwood, is a clump forming, semi-woody, perennial that is native to Europe and Asia. It has a large, shrubby habit and fine, aromatic, silver gray and white foliage. In early summer it bears panicles of insignificant gray-yellow flowers.

This plant is best grown in full sun and average to poor soil with perfect drainage. It is commonly used as an ingredient in the liquor absinthe and has other medicinal purposes, so it is useful in the herb garden. The variegated form...

(White Mugwort)

White mugwort is a clump forming, tall herbaceous perennial that is a native of western China. This plant grows best in rich, well drained soil and full sun. This artemisia is known for having showy and wispy flowers. The creamy, white flowers bloom from late summer to mid fall.

White mugwort should be given a fertile well drained soil in a sunny location. It is great for use as a cut or dried flower and is often used in border plantings. It would be a lovely companion plant around other fall...

(White Mugwort)

One of the few artemisias grown for its flowers, white mugwort is a large, clump forming, herbaceous perennial native to western China. Plants in the Guizhou Group bear large airy clusters of creamy flowers on tall purple stems from late summer to mid fall. The deeply lobed leaves are purplish when young, maturing to deep green.

This plant grows best in rich, moist, well drained soil and full sun. It is used in border plantings and for cut and dried flowers.

(Western Mugwort, White Sagebrush)

Western mugwort is a clump-forming, herbaceous perennial native to western North America, including Mexico. The lance shaped, silvery white leaves, become greener with age and bear insignificant, woolly, yellowish brown flowerheads from midsummer to fall.

Western mugwort is often regarded as invasive and grows best in well drained soil and full sun. This plant is used in sunny mixed borders and rock gardens. Cultivars of note include 'Silver King' which is compact and has leaves that turn reddish...