Clarkia Seeds - Unwins

The best time to sow is in early spring, after the last frost date in your area. In milder climates, you can also sow in early autumn for overwintering.

While Clarkia prefers direct sowing, you can start seeds indoors 4-6 weeks before the last frost. However, they transplant best when young, and care must be taken not to disturb the roots excessively.

Height can vary depending on conditions, but they generally reach between 30-60 cm (12-24 inches) tall.

Individual flowers may last for several days, and with continuous sowing and deadheading, the plant can provide blooms for several weeks throughout the summer.

No, they do best in average, well-drained soil. Amending heavy clay soil with compost can improve drainage.

Yes, Clarkia makes lovely cut flowers for informal arrangements. Cut them in the cool of the morning when they are just opening.

Yes, the colorful blooms are attractive to bees and other beneficial insects.

Ensure seeds are sown at the correct depth and that the soil is kept consistently moist but not waterlogged. Check if the sowing time is appropriate for your climate (after last frost).

Plants may not be receiving enough sunlight. Ensure they are planted in a full sun location. Overcrowding can also lead to weak growth; thin seedlings to the recommended spacing.

Ensure plants are receiving adequate sunlight and water. Extreme temperatures or poor soil quality can also inhibit flowering. Deadheading spent blooms can encourage more flowers.

Clarkia is generally quite disease-resistant. Monitor for common garden pests like aphids. Healthy plants in good conditions are less susceptible. If pests appear, try a gentle insecticidal soap.