Design a pictureperfect picnic invitation with these wording, design tips, and customizable templates for your next outing. To get started planning your own, you can fill out the form below or call our picnic planners directly at 1.800.316.6722.Make it extra special with picnic invitations that you can design from Canva's editable templates. Create a charming and personalized invitation letter for your upcoming picnic. Simply ask them to bring a dessert or a salad if I know them well. If they are not close friends I ask them to come to a potluck when I issue the invitation. Ans: Keep the letter short and simple, full of details about the picnic. Mention the day, time, and venue of the picnic and invite the person in a polite tone. Laurie has also sent an invitation to a picnic to be held the next day. Just fill out the form, and answer a few questions.