Shrubs

"Golden Trumpet"
Moderate growers that like full to partial sun and do best in Zone 10
Can grow to able 4 to 5 feet based on preference while mature, 3 feet while young
Keep 3-4 feet apart from most structures and plants

3-4 ft when young and best kept around 4-5 ft once matured. Space these at least 3 ft apart
Rated for zones 9B, or areas of 10A that borders 9B
They come in a varitey of color and are very cold hearty
Can be planted in full sun or full shade, though they keep a fuller look when in some sunlight
Low maintenance and one of the few which can tolerate "wet feet" (overly water saturated soils)

4-6 ft tall with about the same width
They do best in zone 10, though they can be container grown in zone 9B as to be moved indoors during cold snaps
Space about 3 ft apart to give room to fan out
Will grow in full sun but best in partly sunny or partly shaded areas
Drought tolerant but best to give them regular irrigation while avoiding "wet feet"

2-3 ft tall with same amount of spacing between them (2 ft spacing for smaller Crotons)
Rated for zones 9 and 10 and can be planted in full sunlight to partial shaded areas
Low maintenance and best kept out of overly saturated soil
Moderately drought tolerant and need to be covered during overnight frosts

Variety of heights, slow grower
Spacing can be close but for the Black Magic Cordylines they should be kept about 3 ft from other plants
Best rated for zone 10, for zone 9B its best to keep potted to be placed indoors for cold weather
Best placed in areas of bright shade but most can do well with more light, typically morning sun
Low maintenance, protection from wind can help them from becoming shredded
Moderately drought tolerant but over-saturation can turn the tip of the leaves brown

4-6 ft tall and should be spaced about 3 ft apart
Comes in a variety of colors and flower shapes, and does best in zone 10
Best kept in full sun to partly sunny areas
Low maintenance but requires regular irrigation, too much or too little can make them look scraggly
These plants can be hurt by cold weather so take precautions when that time come

2.5 ft tall and 3 ft wide
Plants should be spaced about 2 ft apart
Moderately drought tolerant once established and very cold hearty
Very low maintenance, water regularly while giving it time to dry between cycles
Can be planted anywhere from sun to partial shade

Moderate grower that can grow from 3 to 6 feet tall and 5 to 8 feet wide.
Does best in Zone 10, however, in Zone 9B, they can either grow in a container to bring indoors during cold weather or planted in a protected area.
Prefers to be in part sun to part shade areas as too much sun will curl the leaves.
No trimming is needed other than removing dead leaves or pruning for size during warmer weathers.