Plant Encyclopedia
Discover plants for your garden — filter by sun, water, bloom time and more.
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4 plants
PerennialsCentranthus ruber
Red Valerian
Red Valerian is a carefree, long-flowering perennial with clusters of small red to pink flowers on grey-green stems. Blooming from May to September, it thrives even in the most impoverished conditions — in cracks, on walls, and in dry soil.
PerennialsCorydalis lutea
Yellow Corydalis
Yellow corydalis is a charming, long-flowering perennial with fern-like light green foliage and clusters of yellow, spurred flowers. From May to October it continually produces new blooms. The plant self-seeds effortlessly in wall crevices and between stones.
PerennialsOenothera biennis
Evening Primrose
Evening Primrose is a graceful biennial that opens its bright yellow flowers on warm summer evenings. The blooms release a sweet scent that attracts moths. From June to September, fresh flowers appear continuously along the upright stems. The plant self-seeds and naturalises beautifully in informal gardens.
PerennialsVerbena bonariensis
Tall Verbena
Tall Verbena is a graceful perennial with slender stems carrying clouds of purple flower clusters. Blooming from June until the first frost, it is a magnet for butterflies. Its airy, see-through habit makes it ideal for weaving through other plants in borders.