Guide and how to do

Senecio

Senecio

Senecio aureus ( Golden Groundsel )
A rapid growing, rhizome spreading perennial, reaching a maximum size of 4 x 4 ( averaging 2 ) feet, that is native to moist woods and bogs in eastern North America ( from Minnesota to Ontario to Newfoundland; south to Texas to Florida ). Makes an attractive groundcover.
The leaves, up to 6 x 8 inches, are glossy rich green.
The golden-yellow, daisy-like flowers, up to 1 inch across, are borne during mid spring.
The flowers attract hummingbirds and butterflies.
The stems are purple.
Hardy zones 4 to 9 in partial shade on fertile, moist, well drained soil. Very easy to grow and rarely bothered by pests or disease. Deer resistant.

* photo taken on April 5 2011 in Columbia, MD


Senecio cannabifolius ( Aleutian Ragwort )
Also called Senecio palmatus. A strongly erect, vigorous rhizome spreading perennial, reaching up to 8 ( rarely over 6.5 ) feet, that is native to mountains and open woods from eastern Russia to the Aleutian Islands; south to Korea and Japan.
The pointed, 3-lobed palmate leaves, up to 5 x 2 inches, are luxuriant green.
The bright yellow flowers are borne on corymbs during mid summer.
They are followed by fluffy seedheads persisting through autumn.
The stems are reddish.
Hardy zones 4 to 7 ( 3 on protected sites ) in full sun to partial shade on moist soil.
It thrives best in cool summer climates and is great for boggy gardens. It is not often bothered by pests or disease.

Senecio obovatus ( Round-Leaf Ragwort )
A perennial, reaching up to 2 feet, that is native to the eastern U.S. ( from Michigan to Massachusetts; south to eastern Texas to northern Florida ).
The deep green leaves are borne on 3 inch rosettes.
The bright yellow flowers are borne during spring.
Hardy zones 4 to 8