Cambridge Tree Project
Cambridge Tree Project

Ornamental Trees

Buckeye, Red (Aesculus pavia) 

A great ornamental: beautiful red flowers (pictured above) in spring...palmately compound leaves aren't bothered by Japanese beetles and provide an interesting textural effect...easy to grow in sun or complete shade...a red buckeye planted in heavy shade in Cambridge has averaged 18 inches of annual growth with regular watering...great patio or accent tree that stays small, reaching only 10-15 ft. high  2' tall $28; 3-4' tall $48

 

Crabtree: White Flowering

(Malus x 'Spring Snow')

One of the few crabs that is entirely fruitless, so there are no little apples to clean up...also, easy-to-grow in any soil uncluding compacted clays found in newer subdivisions...reliable white flowers each spring and nice medium green leaves...reaches 20-25 ft. high at a rate of 20 inches annually... 6' tall $58 

 

 

Crabtree: Pink / Red Flowering

(Malus x 'Red Barron')

We are offering 'Red Barron' crabtrees this year, a great choice for several reasons: small, glossy dark red, persistent fruits that don't create a mess...deep red buds that open to vibrant reddish-pink flowers...dark green leaves with one of the best fall color displays (a brilliant red orange) of all crabtrees...upright, narrow shape that matures to 20 ft. high and 12 ft. wide...also features good resistance to most of the various leaf maladies that impact crabs during wet, cloudy weather 5' tall $54 

 

Dogwood, Pagoda (Cornus alternifolia) Native

This dogwood (see pics above) boasts an attractively tiered, horizontal branching pattern with fragrant white flowers that bloom from late May to early June…one of the most interesting features of pagodas are their fruits, which are dark blue and positioned at the top of a reddish purple stalk….a small tree that reaches only 15-20 ft. high at a rate of about 12 inches annually…like most dogwoods, pagodas prefer life in the shade: best landscape conditions include a few hours of morning sun and afternoon shade. 4' tall $38

 

 

Dovetree (Davidia involucrata v. vilmoriniana)

After years of searching we've happy to offer a dovetree cultivar that will withstand our cold winters...variety 'vilmoriniana' has the incredible flowers of the species (see pics above) with cold hardiness to -22...dovetrees also have beautiful orange/brown scaly bark...slow growing to 25 ft. high 2-3' tall $38

 

 

Hawthorns:

Hawthorn, White (Crataegus viridis x 'Winter King')

Winter King has four season appeal: tan and silver exfoliating bark (pictured immediately above)...attractive and persistent red berries (top picture immediately above) and white flowers in spring...this tree has small thorns which are said to help protect bird populations against predation...grows to 20 ft. high and wide. 2-3' tall $38

 

 

Hawthorn, Scarlet (Crataegus laevigata x 'Crimson Cloud')

Unique red flowers with a splash of white in the middle (pictured immediately above) are considered the showiest of all hawthorns ...persistent bright red berries add color during winter months and provide food for birds...dark green leaves in summer that have no fall color to note...unlike most hawthorns, 'Crimson Cloud' has no thorns!...growth is slow to 20 ft. high and wide. 6' tall $68

 

 

Hornbeam, American (Carpinus vinginiana) Native

A fine-textured understory tree with smooth silver bark similar to American beech...vibrant orange/red fall color locally (see above)...excellent choice for patios and in front of larger trees as it reaches only 20 ft. high and wide under landscape conditions…happily grows in sun or complete shade...we've recorded reasonably fast initial growth of the eight younger hornbeams planted throughout Cambridge: 16 inches annually...native along rivers and streams...also known as musclewood. 2-3' tall $38

 

 

Magnolias:

Pink and Purple Flowering Magnolias     

(Magnolia x 'Ann' 'Betty' 'Jane' 'Galaxy' 'Genie')

Pictured above...left alone these magnolias are vigorous, upright rounded bushes or they can be pruned into a small tree...bark is a striking smooth silver color (see above)...cold hardy (-20) and fairly quick-growing...all trees listed (except 'Genie' and 'Galaxy') will mature between 10 and 15 ft. high. 'Genie reaches 20 ft. high and 'Galaxy' can reach up to 30 ft. when mature...'Genie' has dark maroon flowers and re-blooms during the summer months...all others are purple to pink.  'Ann' 'Betty' and 'Jane': 2' tall $38; 3' tall $48; 4' tall $88 Galaxy 3-4' tall $48; Genie 3-4' tall $48

 

 

 

White Flowering Magnolia                               

(Magnolia stellata x 'Royal Star' 'Merrill')

A slower-growing magnolia with pleasantly-fragrant and dense pink-tinged white flowers in late April..this tree will flower when only several feet tall, so no waiting around...also, its flowers arrive prior to leaves emerging providing greater visual impact...healthy dark green leaves...'Royal Star' is small, reaching only 10 ft. high, whereas 'Merrill' is vigorous and larger, reaching 25 ft. high and wide. 2' tall $38; 3' tall $48; 3'+ tall $68

 

 

 

 Yellow Flowering Magnolia (Magnolia acuminata x 'Butterflies' 'Elizabeth' 'Judy Zuk')

We carry three hard-to- find yellow-flowering magnolias...all feature creamy yellow flowers that appear prior to leaf emergence...growth is slow (Butterflies) to average (Elizabeth)...mature heights range from 20 ft. high (Butterflies) to 40 ft. (Elizabeth)...all three are well suited to our climate and soils...one of our most-requested trees...cold hardy to -25 'Judy Zuc' 3-4' tall $48; Butterflies' 3-4' tall $58; 'Elizabeth' 8' tall $118

 

 

Maple, Japanese (Acer palmatum 'Emperor I')

Available for the first time this year, we now feature the best red-leaved Japanese maple: 'Emperor I'...it leafs out two weeks later than other red Japanese maples making it hardier than seedling grown purple maples...also, the dark red leaf color holds up better and fall color is improved...finally, it's faster growing than others, reaching 15 ft. high and wide at a rate of 18 inches annually with regular watering...tolerates shade but the leaves are usually a less vivid red in that setting...exceptional architectural shape and graceful branching 4-5' tall $48

 

 

 

Paw Paw (Asimina triloba)

An interesting smaller tree for a couple of reasons: exceptional buttery yellow fall color (see picture above, taken at the UW Arboretum) on larger, droopy, tropical-looking leaves...edible, flavorful and highly-nutritious fruit arrive in the fall (at least two trees are required to assure cross-pollination)...will reach 15-20 ft. high and wide...locally, a paw paw planted near Nickolay School on South Street is growing 13 inches annually...nearly native, it grows across the lake in lower Michigan in the forest understory. 3' tall $44

Redbud, Eastern (Cercis canadensis 'Minnesota Strain')

Shown immediately above...our best-selling tree has one of the best spring flower shows around: a purple/red spectacle that appears on all branches, not just the prior year’s growth as with most flowering trees…also has attractive slate grey and reddish mottled bark and heart-shaped leaves which emerge a reddish purple and turn to a warm yellow in the fall…redbuds grow to about 20 ft. high at 12 inches annually locally...initial growth of younger trees is closer to 18 inches annually…we offer the most cold-hardy cultivar available to assure hardiness to -30 'Minnesota Strain' (zone 4): 4' tall $38; 6' tall $68

 

Serviceberry (Amelanchier canadensis and interior) Native

Single or multi-stem, depending on pruning...exceptional red fall color and edible berries that taste like blueberries...eventual height to 25 ft...growth of 12" annually locally. 1-2' tall premium stock (root pruned) $38

 

Stewartia, Japanese (Stewartia pseudocamellia)

Stewartias are specimens of the finest order: camellia-like flowers in early July (see above) when little else is flowering...exceptionally noticeable exfoliating bark that includes colors orange, red and purple-gray...sinuous trunk..brilliant red fall color locally and beautiful green leaves that hold up all season...only drawback is slow growth...the tree pictured above was planted six years ago and has yet to grow an inch, though it flowers reliability and features outstanding fall color every year...eventual height to 25 ft...the ultimate patio tree 4-5' tall $78

 

 

All profits support planting trees in Cambridge and Rockdale common areas.

 

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