Write a book review for a chance to win a nice tool. Lately it's been a pair of Fiskars Microtip Pruners. This is an ongoing contest. Catalogue Request Contest Simple to enter - just request our catalogue. One winner is drawn each month.
Prize is usually a Garden Bandit tool.
Look at the daily flower picture and answer a questionaire for a chance to win a weekly prize. This site asks a simple question related to the sponsor's website with a prize from their products. It's not strictly for gardeners but there are some nice prizes. If you're too lazy to garden, enter to win this really comfortable hammock. The site draws one winner a month.