Here is a brief summary. Lots more info on the buttons on the left.

Crabapple Family
Species	Size	Basic Requirements
Common Flowering Crabapple (Malus sp.)	Mature height is 10 to 25’ with a spread of 10 to 25’. Annual growth rate is 12 to 18 inches	Zones 4A through 8A; Full sun, good air circulation, no particular soil preference; adapted to compacted urban soil and tolerates drought and poor drainage.
	Blossoms can be red, pink, or white in early May
Japanese Flowering Crabapple (Malus floribunda)	Mature height is 15 to 25’ with a spread of 15 to 25’. Pink to deep red buds to white blossoms in August to October	Zones 4A through 7B; prefers full sun, tolerates most soils including clay; is not drought tolerant and does not do well in high pH.
Sargent Crabapple (Malus sargentii)	Mature height of 6 to 12’ with a spread of 8 to 15’. Pink to red buds with white blooms.	Zones 4A through 8A; Full sun, moist, well-drained acid soil including clay; not drought tolerant so not in sandy soil.
Siberian Crabapple (Malus baccata)	Mature height is 20 to 35’ with a spread of 15 to 25’. Pink buds to white blooms	Zones 2A through 7B; Full sun, moist, well-drained acid soil including clay; not drought tolerant so not in sandy soil.