The start of daylight savings is the perfect time for your home to "spring forward" with lighter accessories, accents and even window treatments. Slip covers for furniture and accent pillows are an easy way to change the look and mood of a space. Use a duvet on your bed and get a lighter color and fabric for the warmer months, and a darker, dramatic color for those cooler fall and winter days. These are easy to change out and store, and you'll feel like you are living in a new space!
Pottery Barn and West Elm always have great covers for pillows, and they are often on sale. They are sold with or without the pillow insert so when you aren't using them they don't take up a lot of space. I am also big on having my dining table set, and a pretty spring arrangement and fun napkins, placemats and plates can really put you in the mood.