Description
Acer platanoides ‘Royal Red’
Royal Red Maple
The Royal Red Maple tree is the classic purple-leafed maple tree. It keeps its brilliant crimson color all summer long. It’s a slow growing shade tree, but has a dense, broad oval form. This maple tree is extremely hardy. This maple tree does need well-drained soil. One of the more popular Norway maple tree types. Mature size is around 30-40′ tall x 35′ wide. Hardiness zone 4. This tree attracts game birds, squirrels, chipmunks, beaver, deer, and bears.
Attributes: Good Street Tree
Exposure: Full Sun
Foliage Color: Purple
Fall Foliage Color: Purple
Flower Characteristics: Yellow
Season of Interest (Flowering): Early Spring
Season of Interest (Foliage): Fall, Summer
Habit: Rounded
Growth Rate: Moderate
Fruit: Insignificant
Soil Moisture: Adaptable to Various Soils
Acer platanoides 'Royal Red'
Royal Red Maple
Acer rubrum 'Northwood'
Common Name: red maple
Type: Tree
Family: Sapindaceae
Zone: 3 to 9
Height: 40.00 to 60.00 feet
Spread: 25.00 to 40.00 feet
Bloom Time: March to April
Bloom Description: Red
Sun: Full sun to part shade
Water: Medium to wet
Maintenance: Low
Suggested Use: Shade Tree, Street Tree, Rain Garden
Flower: Showy
Leaf: Good Fall
Tolerate: Wet Soil, Air Pollution
Culture Easily grown in average, medium to wet, well-drained soil in full sun to part shade. Tolerant of a wide range of soils, but prefers moist, slightly acid conditions. Very cold hardy.
Noteworthy Characteristics Acer rubrum, commonly called red maple, is a medium-sized, deciduous tree that is native to Eastern North America from Quebec to Minnesota south to Florida and eastern Texas. It typically grows 40-60’ tall with a rounded to oval crown. It grows faster than Norway and sugar maples, but slower than silver maple. In northern states, red maple usually occurs in wet bottomland, river flood plains and wet woods, but in Missouri it typically frequents drier, rocky upland areas. Emerging new growth leaves, leafstalks, twigs, flowers, fruit and fall color are red or tinged with red. Quality of red fall color on species plants is variable. Leaves (to 2-5" long) have 3 principal triangular lobes (sometimes 5 lobes with the two lower lobes being largely suppressed). Lobes have toothed margins and pointed tips. Leaves are medium to dark green above and gray green below. Flowers on a given tree are primarily male or female or monoecious and appear in late winter to early spring (March-April) before the leaves. Fruit is a two-winged samara.
Genus name is the Latin name for a maple tree.
Specific epithet of rubrum meaning red is everywhere in evidence: red flowers in dense clusters in late March to early April (before the leaves appear), red fruit (initially reddish, two-winged samara), reddish stems and twigs, red buds, and, in the fall, excellent orange-red foliage color.
'Northwood' will grow 40-60' tall with a rounded to oval crown. Leaves are shiny green above and pale green beneath, 3-5 lobed and 3-6" across. University of Minnesota introduction. This cultivar is best grown in northern states because it needs cool weather and frost for best fall color, and will generally not produce good fall color in the deep south.
Problems No serious insect or disease problems. Watch for aphids, leafhoppers, borers, scale and caterpillars. Verticillium wilt attacks the vascular system and can be fatal. Canker, fungal leaf spot and root rots may also occur. Wind and ice may break some branches. Leaf hoppers can cause substantial damage.
Garden Uses
Plant as a specimen tree for the lawn, street or park. It is of note that this tree has a shallow, flattened root system that may buckle nearby sidewalks or driveways if planted too close.
Matador™ Maple
St Croix™ American Elm
Celtis occidentalis
Species Native to Missouri
Common Name: hackberry | Type: Tree
Family: Cannabaceae
Native Range: Central and northeastern North America
Zone: 2 to 9 | Height: 40.00 to 60.00 feet
Spread: 40.00 to 60.00 feet | Bloom Time: April to May
Bloom Description: Green | Sun: Full sun to part shade
Water: Medium to wet | Maintenance: Low
Suggested Use: Shade Tree, Street Tree, Rain Garden
Flower: Insignificant | Attracts: Birds, Butterflies
Fruit: Edible | Tolerate: Drought, Clay Soil, Wet Soil, Air Pollution
Culture
Best grown in moist, organically rich, well-drained soils in full sun. Tolerates part shade. Also tolerates wind, many urban pollutants and a wide range of soil conditions, including both wet, dry and poor soils.
Noteworthy Characteristics
Celtis occidentalis, commonly called common hackberry, is a medium to large sized deciduous tree that typically grows 40-60’ (less frequently to 100’) tall with upright-arching branching and a rounded spreading crown. Trunk diameter ranges from 1-3’ (less frequently to 4’). This tree is a U.S. native that is widely distributed throughout the east and midwest. It is common in Missouri where it typically occurs statewide in low woods along streams and in drier upland slopes (Steyemark). Mature gray bark develops corky ridges and warty texture. Insignificant, mostly monoecious, greenish flowers appear in spring (April–May), with male flowers in clusters and female flowers solitary. Female flowers give way to an often abundant fruit crop of round fleshy berry-like drupes maturing to deep purple. Each drupe has one round brown seed within. Fruits are attractive to a variety of wildlife. Birds consume the fruits and disperse the seeds. Fleshy parts of the fruit are edible and somewhat sweet. Ovate to oblong-ovate, rough-textured, glossy to dull green leaves (2-5” long) have mostly uneven leaf bases and are coarsely toothed from midleaf to acuminate (sharply pointed) tip. Undistinguished yellow fall color.
Genus name comes from the Greek name for another tree.
Specific epithet means Western.
Problems
Hackberry nipple gall is so common in the St. Louis area that it is often used as an aid in identifying the tree. Although the galls do not hurt the tree, they often significantly disfigure the leaves. Witches’ broom (dwarfed, dense, contorted twig clusters at the branch ends) is also somewhat common. It also does little harm to the tree, but can be quite unsightly. Powdery mildew, leaf spot and root rot may occur. Watch for lacebugs and scale.
Quercus macrocarpa x robur
Heritage English Oak will grow to be about 70 feet tall at maturity, with a spread of 50 feet. It has a high canopy with a typical clearance of 6 feet from the ground and should not be planted underneath power lines. As it matures, the lower branches of this tree can be strategically removed to create a high enough canopy to support unobstructed human traffic underneath. It grows at a slow rate, and under ideal conditions can be expected to live to a ripe old age of 300 years or more; think of this as a heritage tree for future generations!
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