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Live Christmas Trees Eventually Grow Up

Small coniferous trees do not stay small for long.

One of the problems with driving my favorite vehicles that were old long before I learned to drive them is that I spend considerable time waiting for a bus or walking. The cool thing about that is that I get to seem so much scenery that I would otherwise drive past. While waiting nearly an hour for a bus at the Cavallero Bus Terminal in Scott’s Valley, I went across the street to see the landscape of the somewhat new Post Office, which has actually been there for many years now.

The landscape is a bit sparse in front (I think because of architectural modifications after the landscape was designed), so was outfitted with recycled live Christmas trees. Although none of these particular trees seem happy in the local climate or sandy soil, I had wanted to get better acquainted with them for some time. They are an odd assortment of spruce and fir that are rare here.

The more typical concern with the more common live Christmas trees is not that they are not well suited to local climates and soils, but that they actually do too well and grow much larger than expected. Except for the small rosemary, holly and English ivy ‘trees’, most coniferous evergreen live Christmas trees are young pines that get remarkably large; and some waste no time doing it! The most common live Christmas trees are Italian stone pines, which happen to be the two very large and broad trees in Blaney Plaza in downtown Saratoga!

Canary Island pines, which had been more common than they are now, do not get quite as broad, but do get very tall and messy. Years ago, Aleppo, Eldarica and Monterey pines all took their turns being popular live Christmas trees. Each of them grows large enough to require significant garden space.

This is of course not a problem for the few live Christmas trees that happen to get planted where they have plenty of space. However, those that get planted where they do not have room to grow can cause serious problems. Because they seem so cute and innocent while they are young, and are so often expected to stay cute and innocent, many often get planted dangerously close to houses, where they can displace porches, walkways and even foundations! Large pines, particularly Italian stone pines, are also too messy and potentially combustible (if not pruned and groomed regularly) to be too close to houses.

Sadly, large pines do not like to stay in containers too long. They can be pruned for a few years, but eventually get congested roots. (Bonsai techniques of root pruning can maintain even the largest types of pines in containers indefinitely, but not many of us know these techniques.) Small pines, like Austrian black, Japanese black and Scott’s pine (which has no relation to Scott’s Valley), as well as other small coniferous evergreens, like certain junipers, can stay in containers much longer, but these are the sort that are small enough to get planted in the garden, so do not necessarily need to stay in containers anyway.

If space is not sufficient, pines and other live Christmas trees that eventually get too large really should be given to friends and neighbors who have space to accommodate them. Fortunately, most do not require much attention once they get established after two years or so.

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Live Christmas Trees Eventually Mature

Most conifers are not so compact.

Christmas trees grow on farms. They are an agricultural commodity. Their unnatural and intensive cultivation is no asset to any associated natural ecosystem. Their harvest does not deprive ecosystems of natural components. Live Christmas trees are at least equally as unnatural. Their cultivation involves more synthetic materials and unnatural irrigation.

There should be no shame associated with the procurement of cut Christmas trees. They are merely cut foliage that is significantly more substantial than that which accompanies cut flowers. Furthermore, live Christmas trees are not an ecologically responsible option. They are merely potted plants that can be difficult to accommodate within home gardens.

That certainly should not invalidate the appeal and potential practicality of live Christmas trees. With proper maintenance, other potted plants, such as houseplants, can grow and perform for many years. Since live Christmas trees are coniferous species that get rather large, they demand more attention. All are not necessarily totally unmanageable though.

Some compact conifers, such as dwarf Alberta spruce and compact cultivars of Colorado blue spruce, can remain within pots for many years. They need either larger pots as they grow, or occasional root trimming if they stay within their same pots for a few years. Their roots outgrow pots as slowly as their canopies grow. They also require diligent watering.

Unfortunately, the most common of decorated live Christmas trees that are available from supermarkets are also the most problematic. Most are either Canary Island pine or Italian stone pine, which grow surprisingly large for such seemingly innocent small evergreens. They very often go into compact gardens, where their bulky roots displace infrastructure, such as pavement and turf grass.

Contrary to popular belief, planting live Christmas trees in the wild after Christmas is not a practical option. Because their roots were confined to pots, they rely on irrigation while they disperse roots into the ground. They can not survive without irrigation after the rainy season. Besides, trees that are not native could be detrimental to the native ecosystems.

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Christmas Leftovers

Blue spruce is a good choice for a living Christmas tree, since it can be happy for years in containment.

Just three weeks after Christmas, many of us are already wondering what to do with poinsettias, cyclamens, Christmas cacti, hollies and living Christmas trees. Christmas cacti and hollies are perhaps the easiest of these to accommodate. Christmas cacti do not even need to leave the home as their flowers eventually deteriorate, since they are happy as foliar houseplants or potted on sheltered porches, and with good sun exposure, will bloom annually. Hollies make handsome shrubbery where their prickly foliage will not be a problem. Since some hollies get quite large, and others stay low and compact, it is helpful to know which variety any particular holly plant is.

Cyclamens are popular as cool season bedding plants as well as blooming potted plants. Gardeners typically dispose of those grown as bedding plants as if they were mere annuals. However, they are actually cool season perennials that go dormant through summer. If they are not in the way of warm season annuals in spring, and are among other plants that will cover for them during their dormancy, they can be left in the garden to regenerate and bloom again next winter. Individual potted plants that get too tired to be appealing in the home can be retired to partly shaded shallow ground cover or mixed perennials for a bit of winter color.

Poinsettias are a bit more complicated, which is why so many people simply discard them as they slowly lose their color after Christmas. They can keep their color for many months, and be happy as houseplants, but rarely bloom again in the home once their first bloom is gone. Alternatively, they can be planted into sheltered and partly shaded spots in the garden after frost. Through summer, they develop taller scrawny stems that bloom early in January or so. (Yes, they bloom ‘after’ Christmas.) They are sensitive to frost, so like to be under eaves.

Of all the popular potted plants associated with Christmas, living Christmas trees are the most problematic, not because they are difficult to care for, but because they so often get planted in bad situations. Only the compact conifers, like spruces, junipers and Scots pines, can stay potted to function as Christmas trees for a few years or more. Almost all other pines grow too vigorously to be happy for long in containers. After Christmas, they should instead get their circling roots severed, and then be planted into the garden.

The problem is that most living Christmas trees are Italian stone pines or Canary Island pines, each of which gets much too large for confined garden spaces. If there is not enough space for such a tree to grow to maturity without causing trouble, it best to find another home for it, or to discard it when it outgrows containment.

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Christmas Trees Are Major Cut Foliage

Few Christmas trees are naturally compact.

Cut foliage is a common ingredient of ready-made mixed bouquets. Bundles and individual stems of cut foliage are available with cut flowers from florists. Cut foliage is the primary component of most wreaths and garlands that are now so popular for Christmas décor. It is another horticultural commodity like cut flowers, bulbs or nursery stock. Cut foliage is like vegetables that no one eats.

Cut Christmas trees are extreme cut foliage. They just happen to be much larger than stems of cut foliage that become wreathes and garlands. They grow on plantations like other crops. Contrary to a rather popular belief, Christmas trees are a renewable resource. Furthermore, cut Christmas tree production is less detrimental to the environment than the production of live Christmas trees.

Time and space are the only advantages of live Christmas tree production. As they grow, they occupy less space for less time. Obviously, cut Christmas trees need more space and time to grow. However, they do not consume proportionate quantities of water and fertilizers. Nor do they necessitate the consumption of the various plastics and synthetic potting media that potted trees need.

Regardless of the best intentions, few live Christmas trees come home for Christmas after their first. They often get too shabby through warm and dry summer weather to bring back in. The small and inexpensive sort with attached decorations rarely survive potted for more than a few months. If live Christmas trees were less perishable, their consumptive production could be more justified.

Whether they retire after a single Christmas or several, live Christmas trees must recover from previous shearing. Only dwarf Alberta spruce are naturally densely conical. Pruning other species to strict conical form is unnatural and disfiguring. As they recover, live Christmas trees need space to grow. Many, such as Italian stone pine and Canary Island pine, get far too big for urban gardens.

Experienced arborists concur that many problematic trees were originally small and seemingly innocent live Christmas trees.

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Not So Merry Christmas Trees

Cut Christmas trees are just really big cut foliage, like what comes with cut flowers.

By now most people have already acquired their Christmas trees. Some are live trees in containers. Some are artificial. Most are cut firs, pines, or alternatively, spruces, cedars, cypresses or even junipers. For at least the next two weeks, these trees dutifully maintain their healthy green vigor to brighten our homes with Christmas cheer.

Cut trees should have no problem lasting from the time they were originally cut through Christmas, as long as they get plenty of water. Artificial trees do not have much choice in the matter. Live trees are probably more reliable than cut trees are in regard to freshness, but can be more awkward to accommodate in the home, since they are more likely to leak excess water that can damage floors. If they they get a bit dry, live trees can also be sensitive to relatively dry and warm interior air after spending autumn out in cool and humid garden environments.

The main problem with living Christmas trees though, begins after Christmas. Spruces and other compact evergreens that can work as Christmas trees for several years need to be returned to the garden and maintained until next Christmas. Retired living Christmas trees, including those common, small trees that can be purchased with a few decorations already wired to their stems, eventually need to be planted out into the garden. Circling roots (that grow around the perimeter of a container in search of a way out) need to be severed so that they do not get constricted as they mature.

Unfortunately, with few exceptions, living Christmas trees mature into significant trees when they get the chance to grow. Those common, pre-decorated trees are most commonly juvenile Italian stone pine or Canary Island pine, which become very large trees. Because they seem so innocent as small potted trees, they often get planted in very awkward situations where they do not have enough space to grow without damaging nearby features.

Planting such a tree out in a forest is not practical, since it will not survive through the first year without supplemental watering. Their roots are just too confined to reach out for moisture. Even if such a tree could survive, it would not be an asset to the forest, since it would be an exotic (non-native) species.

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Seasonal Potted Plants For Christmas

91218thumb‘Tis the season for seasonal potted plants. These are not well established houseplant or potted plants that live out on porches and patios through the year. Seasonal potted plants are those that are purchased at their prime, allowed to live in our homes and offices while they continue to bloom or maintain their foliage, and then most likely get discarded when no longer visually appealing.

Poinsettia epitomizes winter seasonal potted plants. Florists’ cyclamen, azalea, holly, amaryllis, Christmas cactus and small living Christmas trees are other overly popular choices. All are grown in very synthetic environments designed to force optimal performance, with no regard to survival afterward. They are like cut flowers that are not yet dead. They are true aberrations of horticulture.

Technically, any of them can survive as potted plants, or out in the garden after they serve their purpose as appealing seasonal potted plants. Their main difficulty is that it is not so easy for them to recover from their prior cultivation, and adapt to more realistic environmental conditions. For now, it is best to enjoy them at their best, and try to maintain them at their best for as long as possible.

Eventually, they all experience a phase in which their original growth deteriorates to some extent, while they start to generate new growth that is adapted to the situation that they are in at the time. Christmas cactus are probably the most proficient at adapting, and becoming delightful houseplants. They are even likely to bloom occasionally, although not on any particular schedule for winter.

Holly, azalea and cyclamen can eventually get planted out in the garden. Most hollies grow into large evergreen shrubbery, but do not produce as many berries as they originally did. Azaleas are cultivars that were developed to be seasonal potted plants, so are a bit more finicky than those developed more for landscapes. Cyclamen can be added to pots of mixed annuals and perennials.

Living Christmas trees are not so easy to accommodate. Most are pines that need their space.

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Christmas Trees – Dead Or Alive

41203thumbChristmas trees are like vegetables. Really, they are like big vegetables that do not get eaten. They are grown on farms, and then harvested and sent off to consumers. Although they smell like a forest, and they are descendents of trees that naturally grow in the wild somewhere, there is nothing natural about their cultivation. In fact, most are grown a very long way from where their kind are from. Therefore, bringing a cut Christmas tree into the home takes nothing from the wild, and does not interfere with nature any more than eating vegetables does.

Firs, particularly Douglas fir, are the most popular of Christmas trees. Pines are probably the second most popular. Redwoods, spruces, cedars, cypresses or even Junipers can also work. They each have their own distinct color, texture and aroma. Healthy and well hydrated trees that continue to get watered as needed should have no problem lasting through Christmas. Ultimately though, cut Christmas trees are not good for much after Christmas, and eventually get composted or otherwise disposed of.

Living Christmas trees might seem like a better option to cut Christmas trees because they dispel any unfounded guilt associated with cut Christmas trees, and initially seem to be less disposable. The problem is that they have problems of their own. Simply purchasing one is a big expense. Even the big ones are smaller than cut trees, but much heavier and unwieldy. Contrary to popular belief, only a few types that grow slowly, such as some spruce, can actually live in a tub for more than one or two years, and even they can be finicky.

The main problem is where to plant a living Christmas tree when it outgrows its container. Conifers innately do not like to be confined for too long. Yet, in the ground, most grow into substantial trees. The common little Christmas trees that are already decorated are actually the worst since they are juvenile Italian stone pines or Canary Island pines, which grow big and fast. Potted trees can not be planted out in the wild because their confined roots need to be watered until new roots can disperse. Even if they could survive, non-native trees should not go into natural ecosystems.

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Potted Plants Are Living Things

90109thumbCut Christmas trees really are the way to go. There is no obligation to take care of them after Christmas. They do not need to planted out into a garden that will be too small for them as they grow. They do not need to be maintained in a pot, only to get disfigured or partially defoliated before next Christmas. They simple get removed from the home and composted or otherwise disposed of.

Potted living Christmas trees may seem like a good idea, but they are not as sustainable as they seem to be. Only the smaller and more compact types of conifers can be confined to big pots or planted into compact garden spaces. Rosemary shorn into small cones happens do well either in big pots or out in the garden, and if preferred, can be allowed to assume its natural bushy form.

Many other potted plants that are popularly brought into the home for Christmas decoration are easier to accommodate but take a bit of effort. Poinsettias are the most familiar of these. They can grow as houseplants for years, and might hold their colorful bracts for months. In mild climates, they can be planted in the garden, but will never look like they did originally. Most get discarded.

Hollies and azaleas are more sustainable, but are not as popular. Of these, hollies are the easiest. They can be planted in larger pots or directly into the garden later, when the worst of winter is over. Azaleas will eventually drop their flowers, and will likely look very distressed for a few months, but if watered regularly, can regenerate new foliage that is adapted to their new environments.

Christmas cactus happens to be a delightful houseplant regardless of the season. It will also drop its flowers, but will generate appealing pendulous foliage that cascades nicely from hanging pots. It can bloom annually, although timing of bloom is quite variable. It can do the same outside, if sheltered. Amaryllis also prefers to stay potted. It will replace its tall flower stalks with a few leaves that sustain the bulbs until dormancy next autumn, and can bloom again next winter if given a chance.

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Secret Lives Of Christmas Trees

90102thumbPeople really stress out over Christmas trees. Some do not want a cut Christmas tree because it involves killing the tree. Some do not want an artificial Christmas tree because it is . . . artificial. Some do not want a living Christmas tree because it is too expensive for a tree that is too small. There are so many myths and misconceptions about Christmas trees, yet everyone wants one.

As mentioned, artificial trees are . . . artificial. Obviously. They are not a horticultural commodity, so are not an appropriate topic for a gardening column. What can be said about them is that they are not a more environmentally responsible option to disposable cut real trees. Countless dinosaurs died to make the petroleum for the plastic that these non-biodegradable trees are made of.

Cut trees are still the most environmentally responsible option. They are not harvested from forests, but from plantations, just like any other cut foliage, cut flowers or vegetable crops. Many are grown from the branched stumps of previously harvested trees, by a process known simply enough as ‘stump culture’. It works like coppicing, and allows some stumps to produce for many years.

Potted living trees are the most misunderstood type of Christmas trees. There is nothing environmentally friendly about them. They are exotic (non-native) trees grown in synthetic media (potting soil) in vinyl pots. They get synthetic fertilizer, artificial irrigation and very unnatural pruning while growing within artificially regulated environments that are designed to promote efficient production.

Only a few of the more compact types of living Christmas trees, like Colorado blue spruce and dwarf Alberta spruce, can survive confinement in pots for more than just a few years. Austrian black pine and dwarf limber pine need a bit of trimming as they grow, but also have the potential to work for a few Christmas seasons. The common small potted Christmas trees that are already decorated are Italian stone pine and Canary Island pine, which do not survive confinement for long, and get too big for home gardens.

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Tannenbaum

IMG_1983Many towns display a Town Christmas Tree in a prominent and centrally located public space.

The Town Christmas Tree in Los Gatos is a now mature but formerly feral deodar cedar that grew by chance next to the railroad tracks where they passed through downtown a very long time ago. As the railroad tracks were removed, and the rail yard was redeveloped into the Town Plaza, the maturing cedar tree survived the process to become the most prominent tree there. Because it just happened to be a symmetrically conical coniferous tree in the most prominent spot in town, it was a natural choice for the Town Christmas Tree. It gets lit up and decorated for Christmas, and is where children can meet up with Santa Claus.

The Town Christmas Tree in Felton is the Featherstone Tree, which is a mature coastal redwood tree that happened to be planted right on the edge of Highway 9 a very long time ago by Mr. Featherstone, simply because he admired the species so much, https://tonytomeo.com/2017/10/05/big-tree-in-a-small-town/ . Like the Town Christmas Tree of Los Gatos, it just happened to develop into the right sort of tree in the right spot to become the Town Christmas Tree. It too gets lit up and decorated, although it is not as conical as it used to be.

Last year, someone delivered a decorated cut Christmas tree to a picnic area in Felton Covered Bridge Park, where many of the Homeless Community congregate. No one knows who delivered it, or how he, she or they did so undetected. It was a rather fancy tannenbaum (fir) that was not cheap. Someone or a few someones put quite a bit of effort and expense into this unusual gesture, to share a bit of joy with others in the Community.

It was not like a Town Christmas Tree for the Homeless Community, as if the Homeless Community is somehow separate from the rest of Felton. It was more like a household Christmas tree for those who lack a house to live in. It certainly made the annual Christmas Luncheon for the Homeless Community there at the picnic area much homier.