Plants
Yellow
Rhododendron calendulaceum
Flame azalea
Where can you find this plant? In Ohio: Only in unglaciated southeastern parts on rock outcrops. At HF&G: Holden Arboretum, Wildflower Garden, Rhododendron and Discovery Gardens. Bloom time: May-June, usually... more
Ratibida pinnata
Ratibida pinnata (grayheaded coneflower)
Ratibida pinnata is a tall, slender perennial that is found in dry woods and prairies. It does best in full to partial sun with medium soil moisture requirements. Ratibida pinnata has a yellow composite flower that... more
Helianthus helianthoides (ox-eye daisy, false sunflower)
Ox-eye daisy is an upright, clump-forming, sunflower-like perennial that persists in the garden when it can seed in freely. Daisy-like flowers bloom in summer, with yellow-orange rays surrounding brownish-yellow center cones appear. Plants in the genus Heliopsis are both similar in appearance to and closely related... more
Coreopsis tripteris ‘Gold Standard’
Coreopsis tripteris ‘Gold Standard’ (tall tickseed)
Although a shorter version of the straight species, at nearly 6 feet tall, ‘Gold Standard’ is still a large and lofty plant with strong stems and upright blue-green foliage that yield a bounty of bright... more
Kirengeshoma palmata
Kirengeshoma palmata (yellow wax bells)
Yellow wax bells is a large shade-loving herbaceous perennial native to mountainous areas of Japan and Korea. It offers a shrub-like habit, coarse texture, and pale-yellow flowers from late summer to early fall. This elegant plant in the... more
Zizia aurea
Golden Alexander
Golden Alexander is a member of the carrot family and is easy to grow. Although short-lived, it will self-seed and adapt to a variety of soil and light conditions. It has persisted in the Wildflower Garden in full shade for many years but is much... more
Stylophorum diphyllum
Wood poppy
Also known as celandine poppy, in the spring, this plant yields mounds of bright yellow flowers in the woodland. All your neighbors will ask ‘What’s that beautiful yellow flower?”. A small pair of leaves... more
Rhododendron austrinum
Deciduous azalea
Rhododendron austrinum, the Florida flame azalea, is a deciduous azalea that produces clusters of yellow to orange, sweetly fragrant flowers in May. Though native to the Florida Panhandle, southern Alabama, and southeastern Mississippi, Rhododendron austrinum has proven... more
Paeonia ITOH 'Canary Brilliants'
Peony ‘Canary Brilliants’
A showy mid- to late season bloomer with lush green foliage that produces long, sturdy stems of semi-double to fully double blooms with a light, spicy fragrance. Flower color ranges... more
Rudbeckia maxima
Great coneflower
Peganum from Henfield, England, CC BY-SA 2.0 <https://creativecommons.org/licenses/by-sa/2.0>, via Wikimedia Commons more
Rhus typhina ‘Tiger Eyes’
Staghorn sumac
Photo by and (c)2006 Derek Ramsey (Ram-Man). Location credit to the Chanticleer Garden., CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons more
Opuntia cespitosa
Eastern prickly pear cactus
Where can you find this plant? In Ohio: Oak Openings in northwest Ohio, including Kitty Todd Nature Preserve and the metropark outside Toledo. In southern Ohio, Opuntia is in the... more
