Plants in genus ceratostigma
Ceratostigma plumbaginoides
Ceratostigma plumbaginoides is a mat-forming perennial native to Western China, known for its bright blue flowers in late summer and early autumn. Its foliage may turn red or purple before falling, and it thrives in sunny, sheltered positions. This plant is deer-resistant and can become invasive.
Ceratostigma willmottianum
Ceratostigma willmottianum, native to western China and Tibet, is a deciduous shrub that offers a striking display of pale blue flowers and red foliage in autumn. Known for its cinnamon-red stems and cobalt-blue flowers, it thrives in well-drained soils with full to part sun exposure. This plant is recognized for its late-season beauty and has received the Royal Horticultural Society's Award of Garden Merit.
Ceratostigma griffithii
Ceratostigma griffithii, also known as the hardy plumbago, is a deciduous perennial with twiggy, spreading growth and dime-sized green leaves. It is notable for its rich blue flowers that bloom from late August through autumn, attracting butterflies like the tiger swallowtail. In fall, its foliage turns striking shades of red and yellow. This plant is drought-tolerant and can survive temperatures as low as 0°F, making it a resilient choice for gardens.
Ceratostigma willmottianum 'Palmgold'
Ceratostigma willmottianum 'Palmgold' is a plant with brilliant golden new foliage and cobalt-blue flowers in midsummer. It survives single-digit temperatures and may be late to reemerge in some climates, adding vibrant color to gardens.
Ceratostigma griffithii 'Snow Flurries'
Ceratostigma griffithii 'Snow Flurries' is a giant form of plumbago with small dark green leaves and tiny white flowers that bloom in late October. It forms an 8-foot wide by 3-foot tall clump with 5-foot long arching branches. This plant is drought-tolerant and attracts butterflies.
Ceratostigma minus
Ceratostigma minus, originating from the Sichuan and Yunnan provinces of China, is a pure blue-flowered leadwort species. It blooms from midsummer through fall, offering slightly lighter blue flowers compared to C. willmottianum. This plant is appreciated for its vibrant color and ability to attract butterflies, making it a charming addition to any garden.