In this Gardener's HQ guide, we'll explore cultivating Clarkia plants in your garden, indoor spaces, and other settings.
Clarkia are bushy hardy annuals of 30 cm to 1.2 m in height. They flower from summer until the beginning of autumn.
They carry rosette flowers of pink or white.
Some common names for Clarkia include Farewell to spring, Rocky mountain garland, Satin flower, and Godeitia.
Clarkia rubicunda by Anniesannuals; Creative commons.
Clarkia by Tom Hilton; Creative commons.
It is best to sow seeds of Clarkia outdoors. They should be sown into a partly shaded or sunny part of the garden on the soil.
Sowing of Farewell to Spring and other Clarkia genus plants should start after the last frost of spring, and continue every two weeks; this will allow for a prolonged flowering season.
The ideal soil for growing should be moist and cool, with a pH of 6 to 7.
Clarkia plants should be watered regularly so as to keep the soil moist.
They may require fertilizer in the spring, this should be low in nitrogen as Clarkia prefers low nitrogen soils.
The Clarkia genus consists of about 40 species.
Clarkia plants, with their vibrant and colorful flowers, make beautiful additions to any garden or landscape.
Clarkia amoena (farewell-to-spring) and Clarkia unguiculata (elegant clarkia) are popularly grown due to their beautiful blooms.
Many Clarkia species do not have a strong fragrance, but they are loved for their vibrant colors.
Clarkia species prefer full sun to light shade and well-drained soils.
Currently, Clarkia is not considered invasive in the USA.
To remove Clarkia, dig up the entire plant, ensuring the roots are fully removed to prevent regrowth.
The Clarkia genus, part of the Onagraceae family, is native to western North America. Also known as farewell-to-spring or godetia, these annual plants are recognized for their narrow leaves and cup-shaped flowers in various colors that bloom in late spring to summer.
To grow Clarkia, plant them in a sunny location with well-drained soil. They can be grown from seeds sown in spring. Regular watering is necessary, but they are quite drought-tolerant once established. They are often used in wildflower gardens, meadows, or as cut flowers for their vibrant, showy blooms.