Red Flint Ageratum


Red Flint Ageratum

Ageratum houstonianum
(60 days) Open-pollinated. Dense fuzzy heads are beautiful, standing on sturdy 2' stems and catching the fading summer’s light. The color isn’t true red: more of a purplish-red. They make a good cut, and can be dried as well, retaining their color. ~7,500 seeds/g.

4815 Red Flint
Item Discounted
A: 0.1g for $3.25   
B: 0.5g for $6.50   
C: 2g for $10.50   

Additional Information


~7,000 seeds/g.

Annual. Its name means ‘not growing old’ as the flowers retain color for a long time. Also known as Flossflower. Covered with blossoms, great for summer borders.

Culture: Start indoors at 80° for 6–8 weeks before last frost; grow on at 60–65°. Set 9–12" apart. Likes full sun. Water in hot weather. Extreme temperatures inhibit flowering. Will not tolerate frost. Cut for vase when flowers are first opening.


All flowers are open-pollinated except where noted.

Days in parentheses after a variety indicate days to first bloom.

Germination Testing

For the latest results of our germination tests, please see the germination page.

Our Seeds are Non-GMO


All of our seeds are non-GMO, and free of neonicotinoids and fungicides. Fedco is one of the original companies to sign the Safe Seed Pledge.