I - Iris
J - Joshua tree
L - lavender
M - Marigold
[tot=mollykmooney]
O - oleander
Q - Queen-of-the-prairie
S - strawberry plant
U - urn plant
W - water lily
Xanthocreas sorbifolium A rare plant with erect panicles of white flowers in May

Y - Yucca plant
Z - Zinnia
Bright, pretty flower originally from Mexico, and often found in people's gardens. They come in a wide variety of different colors and shapes depending on their type. They like full sun and fertile, well-drained soil.