Plants

Achillea 'Moonshine' [sold as Moonshine Hybrid Yarrow]

[Moonshine Hybrid Yarrow]

Achillea 'Sassy Summer Taffy' [sold as Sassy Summer Taffy Yarrow]

[Sassy Summer Taffy Yarrow]

Achillea 'Walther Funke' [sold as Walther Funke Yarrow]

[Walther Funke Yarrow]

Ageratina altissima [sold as White Snakeroot]

[White Snakeroot]

Ageratum houstonianum

[Floss Flower]

Ageratum houstonianum 'Blue Planet' [sold as Blue Planet Flossflower]

[Blue Planet Flossflower]

Ageratum houstonianum 'Blue Planet' [sold as Blue Planet Flossflower]

[Blue Planet Flossflower]

Ageratum houstonianum 'Patina Blue'

[Patina Blue]

Ailanthus altissima

[Tree of Heaven]

Unusual form and texture not unlike a large sumac. Highly adaptable. Tolerates salt spray. Dioecious. Coarse and inclined to drop twigs. Male flowers are malodorous; female plants make many weed seedlings. Ailanthus altissima forms dense, clonal thickets which displace native species and can rapidly invade fields, meadows, and harvested forests. This invasive tree species is extremely tolerant of poor soil conditions and can even grow in cement cracks. Ailanthus altissima is not shade tolerant, but…

Amelanchier × grandiflora

[Apple Serviceberry]

The Apple Serviceberry is an attractive plant with multi-seasonal interest and can be found in both small tree or large shrub form. If the tree form is desirable, make sure to remove the suckers that arise from the roots, or the specimen will become shrubby. This is less of a problem for this hybrid species than its parents, Amelanchier arborea and A. laevis. The attractive white clusters of flowers give rise to sweet purple-black berries…