Illinois :Zone 5
Some of the most popular types of flowering trees that can grow in Illinois are:
Magnolia- magnolia trees come in many colors such as, pinkish-white, yellow and purple. They often produce sweetly fragranced flowers, and can grow from 10 to 30 feet tall.

Japanese Magnolia
(Soulangeana):
This popular winter or early spring bloomers produces sweetly fragrant
flowers. Zones 5-10
Price: 2-3 ft. $5.95 each

Royal Star
Magnolia
(Magnolia
stellata):
Zone 5-10
Price: 2 ft. $16.95

Randy Magnolia
(Magnolia hybrid 'Randy'): Beautiful deciduous shrub displaying star-shaped
blooms, interiors pinkish-white with purple exteriors, later and longer than
other Star Magnolia. Lovely open-branched narrow habit. Unique accent or single
specimen. Full sun. Slow-growing to 10 to 15 feet high, 12 feet wide. Zone 5-10
Price: 2-3 ft. $16.95
Crab Apple- Crab Apple Trees produce flowers in colors such as white, pink and red. They also produce fruit.

Pink
Flowering Crabapple (Malus eleyi): Clouds of blossoms cover the branches of
this tree red fruits that cling to the limbs until winter. Birds love the fruit
from the crabapple. The emerging new leaves are purplish in color, which later
change to a deep green. The trees grow to 20 feet. Zones 4 to 9.
Price: 2-3 Ft. $7.95
4-6 Ft. $16.95
Dogwood- Flowering Dogwood trees come in pink, red and white.

White Double Flowering Dogwood (Cornus florida): A cloud of large white flowers cover this tree in early Spring, followed by rich green foliage. These blooms often measure 4 inches across, usually appearing in great profusion during the second year. The trees are vigorous and mature to a height of 20 feet. Zone 5 to 9
Fruit Trees- several types of flowering trees also grow fruit such, as pear, cherry, peach and plum trees.
Akebon
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Flowering Cherry
(Prunus yedoensis):
A rounded, spreading crown to 25' high and wide covered by glossy dark green
leaves; fall foliage is yellow. Profusion of fragrant soft pink semi-double
blooms in spring. Deciduous. (Grafted) Zone 5-10
Price: 3-5' $16.95 each

Bradford
Ornamental Pear (Pyrus calleryana 'Bradford'): Broad oval crown 40' high,
20' wide makes a superb lawn, shade tree. Outstanding clusters of white blooms
early in spring. Wavy margined, rich green leaves take on fall color variations
(from yellow to red to reddish-purple) in colder areas. Deciduous. (Grafted).
Zone 5 -10
Price: 2-3 ft. $5.95
4-6 ft. $9.95