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Browse Plants

Narrowed By:Type: Perennials+ Flower Color: Yellow+ Moisture: Adaptable+ Height: 3 - 6 ft.
Displaying 1 - 3 of 3 listings   Sort By: Sort
Iris pseudacorus and cvs. Iris pseudacorus and cvs.
(Yellow flag) (1 user review)
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

Yellow flag is a vigorous Laevigata iris with ribbed, sword-shaped gray-green leaves. It grows to 3 to 4 feet high. Over 60 cultivars exist, including ‘Beuron’, with evenly yellow flowers; ‘Ecru’, with its off-white blooms; ‘Fresh Cream’, with lovely, pale-yellow flowers marked with red-violet signals; a variegated type, ‘Variegata’; ‘Donau’, a bright-yellow flower adorned with a brown signal that looks like stitchery; and nearly sterile ‘Holden Clough’, with deep-yellow blooms and reddish purple veining.
no image available Solidago rugosa
(Goldenrod, Rough-stemmed goldenrod) Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species has open, tree-shaped flower clusters that radiate out like a fountain. It has given rise to S. rugosa 'Fireworks'.  It can grow to 7 feet tall and blooms in mid- to late autumn.  
no image available Verbascum densiflorum
(Dense-flowered mullein, Large-flowered mullein) Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This biennial or short-lived, semi-evergreen perennial forms rosettes of leaves densely covered with grayish-yellow hairs. In summer, its bright-yellow or occasionally white blossoms flower along erect, branching stalks up to 5 feet high. It has naturalized in regions of the U.S.

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