This is a list I found on the web that I thought was interesting and fun to read and it might be helpful in planning the flowers for your “Special Occasion”.
Apple Blossom==Good fortune
Bachelor’s Button==Hope
Bells of Ireland==Good Luck
Blue Bells==Constancy
Buttercup==Riches
Carnation==Pure, Deep Love
Daisy==Sharing of Feelings
Forget-me-not==True Love
Gardenia==Joy
Holly–Domestic Happiness
Honeysuckle==Faithful Affection
Ivy==Fidelity
Jasmine==Grace
Jonquil==Affection Returned
Purple Lilac==First Love
Magnolia==Nobility
Lily==Purity
Lily of the Valley==Happiness
Orange Blossom==Fertility, Happiness
Orchid==You are Beautiful
Red Rose==I Love You
White Rose==You Are heavenly
Violet==Faithfulness
Water Lily==Pure Heart
Bettycake's Photo's and More 
Thanks for sharing this. 🙂 I love every flower there is,lol.