Warm days and comfortably cool evenings are made for entertaining outdoors. Welcome the season with a gathering in your garden. There is just something about a good tea party that I associate with warm spring days, carefree laughter, sugar, spice and everything.begin planning your party in the garden six to eight weeks in advance . This will allow you time to gather all the supplies that you need, including garden party decor , gifts, and menu items.Consider a flower-themed design, or focus on herbs and vegetables as your inspiration. Colors will depend on which direction you take the theme. If veggies and herbs are the focus, stick with lots of greens, tans, and yellows .