Hydrangea
Hydrangeas like acidic soil and are gorgeous blooming shrubs with plenty of color June through December. They like full sunlight and good, rich potting soil kept evenly moist. Prune the plant in early spring.

Ivy
Ivy is easy to care for and likes to grow in bright but indirect sunlight. Mist occasionally and keep the soil moist.

Kalanchoe
Kalanchoe are succulents which grow best indoors in full sunlight. Avoid getting water on the leaves feed only twice a year. Use general purpose potting soil with a little bit of added sand.

Here are some of the meanings that may be ascribed to your gift of flowers:

Azalea - temperance
Baby's Breath - everlasting love
Buttercup - childishness
Carnation - pride / beauty
Daisy - innocence
Fern - sincerity
Geranium - comfort
Purple Lilac - first emotions of love
White Lilac - innocence
Orchid - love / beauty
Rose - love
Red Rose - passionate love
Pink Rose - friendship
Tulip - love