In early spring, the temperature can seem very cold and the soil can be very humid for many vegetables, but there are a handful of hardy performers that can get into the soil. As a bonus, there are fewer bugs and diseases in early spring, so your veggies should start off right. Take a look at six vegetables you can plant before the last frost date has passed. Warning The leaf part of rhubarb is toxic to humans and other animals. You can still compost rhubarb leaves, even if they are a bit...