80 seeds $3.00
out of stock
Dahlia 'Coltness' is a mixture of 4" single flowers that bloom from late summer to fall in shades of pink, red, rose, yellow and orange. It is popular for bedding, and it also makes a lovely cut flower. Attracts hummingbirds and butterflies. Dahlia 'Coltness' is an heirloom flower that was introduced in 1922. Also known as Dahlia 'Coltness Hybrids' and Dahlia 'Coltness Mixed'.
Half-hardy annual. Easy to grow. Germinates at 65 degrees. Deadhead to promote continuous bloom. In cold climates, store the tubers in a basement or other frost-free place.
height 18" spacing 12"
Sowing Dahlia 'Coltness' Seeds
Start dahlia seeds indoors 8 weeks before the last frost date. Or sow outdoors
1-2 weeks before the last frost date. Barely cover the seeds with soil. Full sun.