Page 204 - Ebook cây cảnh Art of Bonsai

204 Plant care directory

fully extend as much as they can. Once leaves Cedrus brevifolia Cyprus cedar This Fertilizing Lightly throughout the growing
have hardened off, prune back strong areas, is a slow-growing tree with very short dark season unless very regular attention can be
especially the apex and external branches to green needles . given to maintain the growth.
two leaves, leaving the internal and weaker Transplanting/Soil Every two to three years
branches untouched. Prune back to shape as Cedrus deodara Deodar, Indian cedar as the roots begin to fill the pot. Use a
the leaves are dropping. Wire and style young A slow-growing variety with a more pendulous deciduous soil mix.
shoots with a loose wiring technique. habit and large needles. Pests/Diseases Generally pest free.
Propagation Cuttings, seed, air layering. Pruning/Styling Use any deciduous style; it is
Cedrus libani Cedar of Lebanon This is a versatile tree. Wire and shape the main and
Carpinus betulus European hornbeam slow growing with a flat top apex and wide secondary branches, then build up
This is found all across Europe. Some very spreading branches. ramification through regular defoliation and
large trunk, collected specimens exist. the clip and grow technique. It is very
important to maintain regular branch division
Celastrus orbiculatus
Carpinus japonica Japanese of two to every node. Chinese hackberry
hornbeam This is fast-growing tree that is ORIENTAL BITTERSWEET tends to send out multiple branches from one
slower to ramify and build structure due to This fruiting vine is often used for shohin node. Aim to create a delicate twig structure
the large leaf. It is appreciated mainly for its trees. It is considered an invasive species by thinning these out to two healthy shoots.
large pendulous catkins. in eastern parts of North America. It has Propagation Cuttings, seed, layering.
good fall colors, and the leaf size is quite
Carpinus turczaninowii Korean large. The fruit is an orange-yellow sheath
hornbeam The most commonly used around a vibrant red berry. Ideally, plant Chaenomeles
variety for bonsai, imported from Korea with a male tree to pollinate the fruit. FLOWERING QUINCE
and Japan, where many large, old thick- Hardiness/Location Hardy, zones 4–9. Protect A flowering shrub native to East Asia, it is
trunked, collected specimens exist. It is the fruit from light frost, and the tree from widely used for bonsai. There are a number
slightly less vigorous but will produce heavy frost. Place in full sun except in the of different colored cultivars; choose one
lots of delicate branches. heat of summer. with small leaves and small flowers for best
Watering Do not allow it to dry out, especially results. With the exception of ‘Chojubai’ it is
when setting fruit; keep moist but not wet generally seen in clump styles.
Cedrus
in winter. Chaenomeles is a member of the rose
CEDAR Fertilizing Throughout the growing season but family, so there are two areas of great
This has limited use in bonsai due to the stop when it is setting fruit, then give it a high concern. Do not allow too many sucker
difficulty in getting branches to set, but P:K fertilizer in fall. shoots to develop on young trees—and none
certain growers have great success. It is Transplanting/Soil Every two to three years; at all on older trees—because they may cause
an evergreen conifer with needlelike foliage use a moisture-retentive deciduous mix. established branches to weaken and die.
that develops into clusters on short shoots. Pests/Diseases Generally trouble free. ‘Chojubai’ especially are susceptible to
It is easy to create foliage pads through Pruning/Styling It will bud on older branches, bacterial infection, especially in the roots,
pruning and basic wiring. but it is best to prune back existing branches so it is a good idea to sterilize tools before
Hardiness/Location Hardy tree, zones 5–8, to shape. Prune back new extensions to a pair and after pruning, and essential to treat
but protect from extreme cold, especially of leaves once they grow to five or six leaves. large wounds with antibacterial wound
winter winds. Style into weeping cascade styles according to sealant. Crown gall disease is a knobby
Watering It will suffer if overwatered, so its natural habit. growth in the roots that will spread to the
allow the soil surface to dry out slightly Propagation Seed, cuttings, layering. branches and ultimately kill the tree if left
between times of watering. uncontrolled. To prevent it, always use fresh
Fertilizing Throughout the growing season. soil and transplant in fall once temperatures
Transplanting/Soil Every three to five years Celtis sinensis start to drop. If it is present, remove and
into a free-draining conifer soil mix. Treat the CHINESE HACKBERRY destroy all galls and soil, soak the root ball in
roots with care and be conservative with This is commonly used in North America and an Agromycin bath for several hours, and
old soil removal. Asia but rarely seen in Europe. It is a very plant into fresh soil. Treat the soil with
Pests/Diseases Generally pest free. vigorous growing tree, similar in habit to Agromycin every couple of months and allow
Pruning/Styling Bend the branches zelkova and Chinese elms. Regular attention the tree to put on healthy growth. Crown gall
dramatically when the tree is young to and defoliation will enable rapid development mainly affects older or weaker trees; it cannot
create scar tissue and allow the branches of finely ramified, delicate branching. There be cured, but it can be managed.
to set. Best in upright styles, with single are many thick-trunked and also abstract Hardiness/Location Frost hardy, zones 5–9.
or multiple trunks. The natural growth habit Chinese-styled trees across the world with Some varieties will need a cold period in order
can be weeping. Prune secondary branches well-ramified, angular branching created by to set flowers. Protect it from intense
to shape rather than over wire. clip and grow techniques. midsummer heat, but otherwise give full sun.
Propagation Seed is best; cuttings have Hardiness/Location Hardy, zones 5–9, but Watering Do not allow it to dry out. ‘Chojubai’
a low success rate. protect delicate branching from frost damage. especially will drop leaves if they are water
Give full sun unless there is extreme heat. stressed. Keep it moist but not wet in winter.
Cedrus atlantica ‘Glauca’ Blue Atlas Watering Do not allow it to dry out in summer Fertilizing Regularly throughout the growing
cedar Probably the best, most widely used or leaf scorch will occur. It is drought tolerant season except when flowering. The exception
cedar, it has beautiful grayish blue foliage. but prefers to be moist—not wet—in winter. is ‘Chojubai’, which can be fertilized all season.