Contact us → Our seed store is closed for the remained of the season while we focus on seed harvest and inventory for 2024. We’ll see ya back here in December. Thanks for the great year!

Ageratum – Dondo Blue



An abundance of blue/purple puffy blooms atop strong 2.5’-3’ stems. This deer-resistant, hardy plant will grow in full sun or partial shade. Flowers add happy pizzazz to gardens and bouquets. Also known as floss flower. Our favorite filler!

For tips on when to plant flower seed, check out our NW Flower Planting Calendar!

Days to Maturity: 80-100
Latin name: Ageratum houstoniatum
Life cycle: Annual

Planting Instructions
Start indoors in March-May 8-10 weeks before transplant. Transplant or direct sow in full sun to partial shade when soil reaches 70-75 degrees. Cover seeds lightly as seeds need sunlight to germinate. Plant spacing 9-15.”

All of our seed is Non-GMO and Certified Organic by Washington State Department of Agriculture. We grow the majority of our varieties here at Deep Harvest Farm on Whidbey Island while we purchase the rest from other small, organic Northwest seed growers. Finally, all of our offerings are open-pollinated (OP) so that you too can save and share seed from these plants!