Cambridge Tree Project
Cambridge Tree Project

Shrubs

 

Available by request

 

Buckeye, Bottlebrush (Aesculus parviflora)

Pictured immediately above, this shrub thrives and flowers in sun or in complete shade...white bottlebrush flowers arrive in June and combine with palmately compound leaves to create a great textural effect...an added bonus, leaves turn a clear yellow in the fall...growth is slow, about 9 inches a year...will reach 10 ft. high and wide if left alone; or you can easily prune to a smaller size...produces buckeye nuts in fall which squirrels will immediately confiscate, so no worries...a great looking and trouble free shrub.

 

 

Chokeberry, Black (Aronia melanocarpa) Native

One of the best shrubs for brilliant red fall color...glossy green leaves in summer are also attractive...white flowers are followed by glossy red fruits that are technically edible but best suited to jellies and jams due to astringent taste...considered a "super fruit" given the many health benefits...grows in virtually all soils: wet, sandy, clay, sand...locate in sun for best fruit production, though the shrub will grow in part shade...reaches eight ft. high and wide but will sucker and produce colonies if allowed (the birds will thank you).

 

 

Dogwood, Yellow Flowering (Cornus officinalis)

This small and slow growing (4-6 inches annually) ornamental is the first tree locally to flower, arriving as early as mid-March in warm springs...yellow flowers (see above) look especially good in front of red brick and evergreens...also features mottled tan bark and little red edible but not that flavorful cherries...the leaves are not bothered whatsoever by Japanese beetles...fall color is a so so wine red...a very similar relative of this tree, corneliancherry dogwood, is featured prominently at Olbrich Botanical Gardens along the main trail heading to Starkweather Creek.

 

 

Dogwood, Pagoda (Cornus alternifolia) Native

This native dogwood (see pics above) boasts attractively tiered, horizontal branching and fragrant white flowers that bloom from late May to early June…another interesting feature is their dark blue fruits positioned at the top of a reddish purple stalk….a small rounded tree that reaches only 15 ft. high and 10 ft. wide at a rate of about 12 inches annually…like most understory plants, pagodas prefer life in the shade: best landscape conditions include a few hours of morning sun followed by afternoon shade.

 

 

Forsythia (Forsythia x 'Lynwood Gold' and 'Northern Gold')  

Easy-to-grow yellow flowering shrub pictured directly above...reaches swix to eight ft. high and wide fairly quickly...I have not witnessed fall color on local forsythias but during summer months the leaves hold up well and appear to be resistant to Japanese beetles...this shrub is extremely easy to grow and will tolerate poor soil and exposed conditions.

 

 

Forsythia, Dwarf (Forsythia viridissima 'Bronxensis') 

Looking for a short shrub? This slow-growing forsythia will only reach two ft. high (you read that correctly, see picture above)...spread is limited to two or three ft...also has nicely-shaped leaves that provide an interesting textural effect to any landscape...please note that this forsythia does not produce the bright yellow flowers, they are a creamy white instead.

 

 

Hydrangea, Oakleaf (Hydrangea quercifolia)

A superior hydrangea for several reasons: long lasting summer flowers change from white to red...interesting oak-shaped leaves turn a brilliant red locally in the fall (see above!)...also, exfoliating bark is a winter attraction...easy to keep small by pruning or will grow 10 ft. high and wide if left alone...great choice for massing an area...will grow and flower in heavy shade and is best located in a site protected from northern and western exposures.

 

 

Hoptree (Ptelia trifoliata ) Native

Unusual native shrub that is actually a member of the citrus family, a trait which leaves all parts of the plant (leaves, flowers, fruits, bark) aromatic...happily grows in sun or shade...during the summer months its trifoliate leaves are attractive (see above) and not bothered by insects; in the fall we see consistently nice yellow color...fruits are also interesting...we have a hoptree planted in heavy shade that's grown 14 inches annually.

 

 

Magnolias

Pink and Purple Flowering Magnolias     

(Magnolia x)

Choose among numerous colorful magnolia varieties that mature to sizes between ten and 25 ft. tall:

'Ann' is the smallest, reaching no more than 10 ft. tall and wide...purple-red flowers and silvery bark.

'Betty' features reddish purple rippled flowers with white interiors...reaches just over ten ft. tall and wide.

'Galaxy' is the largest of them all, it can top out up to 25 ft. with an upright, narrow form to only 15 ft. wide...leaves hold up well in late summer even during wet weather.

'Genie' reaches 15-20 ft. high with dark maroon flowers that re-bloom during summer months...leaves hold up well all summer unlike other purple/red flowering magnolias.

'Jane' reddish purple flowers with a white interior...reaching just over ten ft. tall and wide.

'Leonard Messell' has lighter pink flowers with white interiors...will reach 15 ft. tall and wide.

 

 

 

 

White Flowering Magnolias                               

(Magnolia stellata x)

Compact Size: 'Royal Star' matures to only 15 ft. high by 12 ft. wide...features a reliable burst of white each spring: pink buds open to pleasantly-fragrant dense white flowers in late April (see picture above)...clean dark green foliage looks great all summer...flowers when only several feet tall, so no waiting around! 

Medium Size: 'Merrill' is fast-growing (18 inches annually here in Cambridge), quickly reaching 25 ft. tall and wide...incredibly fragrant large white flowers create a white cloud in early spring...also, it tolerates extreme cold, being fully hardy even in the northern reaches of our state.

 

 

Yellow Flowering Magnolias (Magnolia acuminata x)

We carry three hard-to-find yellow-flowering magnolias, all of which flower prior to leaf emergence for optimal impact:

'Butterflies' grows ten inches annually here in Cambridge...reaches 20 ft. tall and 15 ft. wide in a pyramidal tree form.

'Elizabeth' offers clear primrose yellow flowers that can be effective for up to four weeks during cooler springs...said to grow somewhat faster than other yellows...mature height can approach 35 ft. under ideal conditions.

'Judy Zuk' flowers are a more golden yellow and offer a wonderful fruity fragrance...can reach 25 ft. tall in the home landscape and has a narrow tree form.b

 

 

 

 

Serviceberry (Amelanchier interior) Native

Four season appeal: white flowers in spring; exceptional red fall leaf color (see above); edible fruit that look and taste like blueberries; ornamental smooth silvery bark...annual growth of 12 inches locally and eventual height between 10-15 ft. tall and a compact selection 'Regent' that reaches 6 ft. tall and 8 ft. wide.

 

 

Spicebush (Lindera benzoin)

No local shrub can compete with the stunning golden yellow fall color (see above) of this shrub...also has interesting shiny red fruits on female trees...muted yellow flowers in spring...aromatic light green leaves...faster growth (18 inches annually) and very tolerant of shade; is also happy in full sun...should be grown only in good garden soil, not a shrub for newer houses with thin, compacted soil...grows to 10 ft. tall and wide. 3 ft. tall $38

 

 

Viburnum 'Blue Muffin'

(Viburnum dentatum x 'Blue Muffin') Native

Beautiful compact shrub with bright blue fruits that attract birds...another viburnum variety, such as 'Chicago Lustre' guarantees fruit production...creamy white flowers in June...red fall color...selected by Cambridge-area resident Tom Watson and now sold nationally...will grow nearly anywhere including compacted soils in newer subdivisions...grows to 7 ft. tall and 4 ft. wide.

 

 

Witchhazel (Hamamelis virginiana) Native

Produces yellow flowers at an unexpected time of the year, in October (see picture above) after most of the leaves have fallen...fall leaf color is a solid butter yellow...a grows well in full sun or part shade and even in full shade to 10-15 ft. high and wide.

 

 


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