Denver Botanic Gardens the following announcement on March 12.
This two-part evening class is great for beginners and seasoned gardeners who are new to Colorado. The classes are carefully designed to equip you with all the tools you need to master that garden once and for all!
Classes include: Garden Planning 101, Soils 101, Beginning Vegetable Gardening, Annuals and Perennials for Color in the Garden. A single full-day class is offered in February.
$80, $60 member.
Original source can be found here.
Source: Denver Botanic Gardens