The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From CleverMatrix Ltd:
Garden Produce USA FREE is the free version of the superb garden app 'Garden Produce USA', giving detailed information on the most popular fruit, vegetables and herbs. It is a cut down version that provides you with the following features: - photo filled encyclopedia of the most popular vegetable, fruit and herb growing guides, giving detailed information on soil preparation, growing tips, harvesting and best varieties - ability to add multiple types of the same produce, differentiating them by variety planted, enabling you to track how each individual variety is doing - to ensure you have a bumper harvest we have included a list of common problems that affect this produce, giving information on how to spot the bugs when they arise and also how to treat them - ability to add produce to a favorites list, which is split into veg, fruit and herb categories - track whats in your garden by adding produce that you are growing and then save specific details about the produce, such as variety grown, amount of produce harvest, whether its been a success, date planted and number of days to harvest - ability to add multiple notes to each produce in your garden with an accompanying photograph, like a mini journal - to do list you can add 'to do' tasks, so next time you go to the garden center you won't be racking your brains trying to remember what you came for! - simple to use and fast NOTE: The sowing and harvesting times given and the recommended varieties are specific to the USA