Cinnamomum checkiangense

Excellent, sophisticated, graceful and cold hardy evergreen tree that thrives in our climate. Large, green pendant leaves are marked with  three prominent veins. New growth in spring emerges bright coral red before changing to mid green. Horizontal branching structure in tiers displays the handsome foliage very well. In late spring curious little white/green flowers amuse but are hard to spot. Fast growing straight trunked tree to 25′ tall with a spread half as wide. The crown is conical shaped but becomes more spreading in time. Excellent cold hardiness as well as adaptation to ice and snow. We love this unusual member of the Lauraceae. It should be planted often.

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Clerodendrum trichotomum

Glorybower. Iconic in the city of Portland this small umbrella shaped tree lines streets and populates gardens throughout the city. Late summer brings masses of white flowers held in a red calyx that perfume the area for many blocks with a sweet jasmine fragrance. Following the flowers the calyx swells to a red star and a turquoise blue berry forms. To 16′ tall moderately fast in full sun and rich soil with regular summer irrigation. Avoid disturbance around established trees which can cause it to sucker annoyingly. Large tropical leaves have the fragrance of peanut butter when bruised. Little to no fall color. Japan.

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Clethra barbinervis ‘Takaeda Nishiki’

Variegated form of Japanese summer sweet with amazing white splashed foliage and masses of powerfully fragrant white flowers all summer. To 10′ tall moderately fast in part shade to full sun in rich, moisture retentive soil. Regular summer water. In time it forms a trunk that displays mottled exfoliating bark which is very pretty. . Wonderful woodland tree that endures full sun with regular irrigation. Light yellow fall color. Graceful at all times. Nice branching pattern in symmetrical whorls. The clusters of flowers dry and cling to the tree in winter. These can be removed by the fastidious gardener or left to hang and decompose with the effect of spanish moss.  Blooms continuously most of the summer. The clusters of pendant white flowers emit an intoxicating perfume that is most notable on warm to hot days. It will perfume the entire garden- its not a cloying sweetness either but a much more sophisticated aroma that has you seeking more. Water regularly, not drought adapted. Lovely, lovely specimen tree. Avoid hot dry sites.

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Crinodendron patagua

Chilean Lily of the Valley Tree or Evergreen Snowbell- both descriptive common names for this unusual tree from South America. Fast growing evergreen tree that looks superficially like a live oak. In mid to late summer relatively large pure white waxy bells appear and line the stems like small bells. The bottom of the waxy bloom is deeply serrated. Cool. To 16′ tall and half as wide. Often forms multi-trunks if you don’t want this then diligently prune it until you get one sturdy trunk. Do not site in the direct path of subfreezing east wind- a south or west exposure will do in windy areas. Easy to grow tree that gets by with a minimum of water in summer once established.

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Cunninghamia lanceolata var. glauca

This form of China Fir we love for its bright blue vivid foliage. A tall growing conical tree to 40′ eventually. To about 25′ tall in 10 years. A prickly but beautiful conifer that grows fairly fast when young. The boughs eventually house small, cute, ok, damned adorable little wooden pinecones that persist through spring. In time the trunk becomes gray and fissured. A sky line tree with great age and old specimens dot the Portland Metro area. Very drought adapted when established. Great screen or specimen. Give it plenty of room to grow in FULL sun- no shade and rich to average well drained soil. Very good architectural presence. Cold hardy and easy to grow- long lived tree. Moderately deer resistant.

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Cupressus (Hesperocypress) macrocarpa ‘Citriodora’

Fantastic form of the incredibly tough Monterey Cypress. Foliage on this fast growing large evergreen tree is brilliantly hued in chartreuse/gold and acid green. Pinch the foliage and the fragrance of lemons is released. Fast growing tree for poor to average well drained soil. Avoid overly rich soils- which causes rank, unsteady growth. Average un-amended native soils are best. Light summer water to initiate growth and then completely drought tolerant. To 35′ tall x 25′ wide in 15 years. In time it develops a really cool flat spreading crown that this species is so famous for. Great drought and cold tolerance at our nursery. Give it amble room, full all day sun and not much else. Cold hardy to 0ºF. Long lived tree. This species has been placed in the genus Hesperocypress.

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Cupressus glabra ‘Sulphurea’

Remarkable form of the hardy Arizona Cypress. This variety has foliage frosted in chartreuse/cream with interior foliage closer to sea green. A great affect. To 15′ tall but only 4′ wide this is a decidedly fastigiate form of this species. Fast growing tree for screens, specimen. Poor to average soil- avoid rich soil- this causes Cypress to grow to fat and fast in our climate- they get rank and rocky. So plant in average to poor soil with light irrigation until you see appreciable new growth and then none- ever. This produces a more measured growth rate and a sturdier plant. Full sun- from ALL directions- no shade at all. Open exposed sites are best. Very pretty plant that adores our climate. Cold hardy below 0ºF. Rare tree and quantities are limited. Completely drought tolerant.

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Cupressus sempervirens ‘Glauca’

The most common form of Italian Cypress with a strongly fastigiate (skinny upright habit) and blue green foliage. Fast growing tree that demands average to poor soil and little to no summer moisture. Soil that is too rich and too much water in our climate leads to prodigious rank growth and instability. Dry, poor soils and no summer water leads to steady measured growth and no tipping. Full all day sun from every direction. This will ensure thick foliage from the base to the top. Established plants can easily put on 3′-5′ of growth per year. To 22′ tall and about 18″ wide. Extremely drought tolerant. Does not succumb to spider mites or other diseases as Arborvitae frequently can.  If it is too tall you may top it and it will re-grow a new terminal leader quickly. Great in containers. Protect containers from temperatures below 10ºF. Takes intense reflected heat with no problem. Great urban tree.

 

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Cupressus sempervirens ‘Swane’s Golden’

The golden form of Italian Cypress which is a very useful plant for bright vertical effects in gardens. Fast growing fastigiate tree to 18′ tall and just 18″ wide. Full sun and average to poor soil with little to no summer water. If it becomes disheveled in ice or snow simply give it a good hair cut and a denser form will emerge. You may also cut the top to limit size and a new vertical leader will quickly form. Deer resistant. Avoid overly enriched soil and shade or growth will be rank and unkempt. Grows about 2′-3′ in an average year.

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Cupressus sempervirens ‘Totem’

A superior form of Italian Cypress that is thinner and more resistant to ice and snow. The foliage is forest green eschewing the blue hue of the more common ‘Glauca’. To just 10″ wide it rises to 16′ tall in a fast growing spire. Full sun (which means all parts of the columnar tree from top to bottom should receive full sunlight) and poor to average, unimproved soil. Avoid overly enriched soil which causes fast rank growth which can make the tree unsteady. Its adapted to the very poorest soils which ensure measured, sturdy growth. Our favorite form of this useful disease and pest resistant columnar tree. Cold hardy.

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