restoration

Seeding annual plants for rare plant restoration and reintroduction

I have a project dealing with annual plants on the Channel Islands. We hope to bulk up some existing populations, but also create new patches. Has anyone had success with seeding rare annuals in Mediterranean systems? I'm worried about seeds staying in place, being predated, and getting sufficient rain for germination. Given that these are diminiutive annual plants and the biosecurity challenges of working on islands, growing and outplatning seedlings is not practical.

Jennifer Possley, Fairchild Tropical Botanic Garden

For over a decade, Fairchild's Connect to Protect Network (CTPN) has inspired South Florida residents to plant native pine rockland plants in order to help connect the few remaining isolated fragments of pine rockland—a globally critically imperiled (G1S1) plant community. CTPN members include more than 700 individuals and approximately 100 schools. Each year, we donate hundreds of “Pine Rockland Starter Kits” to homes and schools. CTPN is growing rapidly; more than half of our members joined in the past two years. We have found that it is wonderfully easy to get South Floridians excited about free native plants, however, it can be difficult to keep members engaged and is even more challenging to tap into the network and obtain meaningful citizen science data. This presentation reviews some of CTPN’s more recent changes and near-future plans, which include the use of iNaturalist and the incorporation of more media to help more homeowners garden with native pine rockland plants.

Contributing Author(s): 
Date Recorded: 
Thursday, May 2, 2019

Seeding annual plants for rare plant restoration and reintroduction

My colleagues and I are working on a large rare plant project on the Channel Islands in California. One of our objectives is to increase population size of small occurrences and also establishing new populations in suitable habitat to provide redundancy. For the annual plants in our project (e.g., MalacothrixPentachaetaThysanocarpus) and possibly one Dudleya species, we plan to use locally collected seed, bulk that seed in our greenhouse, and then return it to the islands. I know that seeding often has low success rates.