Learn to spring up arborvitae , or ' tree diagram of animation , ' a slowly - growing evergreen Sir Herbert Beerbohm Tree with dumb foliage often grow for secrecy .

Native to North America , theserugged evergreen tree diagram , hardy in zones 2 - 7 , are often found growing in places where little else might . Some varieties take on a bronze cast in the fall and winter , so be selective when picking anarborvitaevariety to set in your yard . These trees stand up well to trimming and can be made into capricious topiary plants to make living garden art .

Where to Plant Arborvitae

Arborvitae trees offer class - round of drinks interest and grow best in full Sunday or partial subtlety . They will flourish when given a smirch that gets at least 6 hours of direct sunshine per day — preferably early in the 24-hour interval . They are also athirst trees and choose consistently moist soil . Make indisputable your arborvitaes are in an area where you may on a regular basis irrigate them to keep them immature and healthy .

It ’s also important to consider the full mature height of your arborvitae . Some case ( like the dark-green giant arborvitae ) can make 60 feet at maturity , so ensure yours is clear of powerlines and buildings .

Arborvitae trees create dense evergreen foliage that can make excellent " life walls " when privacy is needed . They are often planted in neat row to ply a windbreak and strait abatement at the sharpness of gardens , but can also be used to set up a walkway or as a backdrop for other plants .

Arborvitae in a row

Bob Stefko.

How and When to Plant Arborvitae

If you are engraft a glasshouse - grown tree , you could found it in early spring after the last icing or late in the crepuscle if you prefer . apprehend a maw at least two or three time the sizing of the beginning clod and transfer yourarborvitae from its nursery container ( or unwrap it ) . Wet the roots slightly and loosen them up before place your tree in the hole . Backfill the hole midway and then soak the soil in the hole . last backfilling the hole with soil to the top boundary of the root bollock and then water system again thoroughly . Add a 2- to 3 - inch stratum of mulch at the home of the tree to help the dirt retain moisture .

let 3 to 4 groundwork between institute trees when using arborvitae as a seclusion fence or shelterbelt .

Arborvitae Care Tips

Arborvitae are soft shrub to care for and add unripe to the outdoors twelvemonth around .

Light

Arborvitae lovesfull sun(preferably 6 + hours per day ) , but they can also manage in part shade . Too much shade , however , and their emergence may be stunted or their leafage sparse .

Soil and Water

Arborvitaes arise good in consistently damp but well - drained , loamy filth with a electroneutral to more or less alkaline pH ( 6.5 to 8.0 ) .

Most arborvitae type will require weekly , “ broken and slow ” tearing , especially in the first class following transplantation . Use a soaker hose or drip system to irrigate the tree tardily and gently . you may also hold a garden hose ( on a slow trickle ) at the base of the tree and let the body of water tardily penetrate the entire root mass .

Once your arborvitae is establish , periodically mark off the soil . Whenever the first inch of soil feels dry , give the tree a deep drenching by irrigate under the canopy , but several inches from the trunk of the Sir Herbert Beerbohm Tree . This avoids wasting water and helps forestall tooth root decompose from developing .

Arborvitae in a row

Credit: Bob Stefko

Arborvitaes arise in containers may need more frequent lachrymation — possibly as often as daily in hot , dry atmospheric condition .

Temperature and Humidity

Some arborvitae types are more cold - resistant than others , but many can tolerate moist temperatures as small as -30 or -40 ° fluorine . If you exist in a colder climate ( zone 2 through 4 ) , you will want to stick withThuja occidentalisor eastern arborvitae ( as opposed to Western arborvitae ( Thuja plicata ) as they are slightly more cold - tolerant .

In the winter , it is normal for some browning and phonograph needle dropping to occur , but if your Sir Herbert Beerbohm Tree has reformist browning that is isolated to one side ( usually the windward side ) , it may bewinter burn . This happens for many rationality , including delayed winter quiescence , sudden temperature alteration , frozen grime , and a shallow root organization that ca n’t take up enough urine to nourish the needles . you could cut aside dead or damage limbs as new increment emerge in the leaping . If the intact tree has turned brown , it may not be salvageable .

Overwintering

To protect your arborvitae from winter wrong , apply 2 to 4 inches of mulch around the stem of the tree ( a few inches from the trunk ) . This will avail insulate the roots and trim moisture passing . Keep your arborvitaes well - hydrated throughout the time of year ( particularly if they are exposed to drying winter winds ) . Even in parky temperatures , they will still ask about an in of water system per hebdomad or more .

Heavy snow and deoxyephedrine can get scathe to arborvitae limb — especially when paired with gamey winds . If you’re able to , brush off C. P. Snow before it bends or breaks the arm . enfold young and tender plant in burlap can also help prevent wintertime burn .

Fertilizer

Arborvitaes do not demand fertilizer to thrive , but if you would like to encourage more lavish leaf or quick increment , you could apply a nitrogen - plenteous , slow - release fertilizer once a year in the spring .

Pruning

Since heavy snow can break branches , sweep them off after a storm . impoverished limb should be pruned , and the plant may need to be staked upright until they recover .

Prune arborvitae in the bound for deep foliage . Only trim down where leave grow , not back to the base of the plant . If there are dead branches , they should be dispatch .

Potting and Repotting Arborvitae

Arborivitae does well in pots , but only outdoors . apply a 20 gallon pot to pop out so it wo n’t need transplantation , which can be hard on the tree diagram . utilise a soil - based potting mix . Keep the soil damp but not soggy .

Pests and Problems

Winter burnmay happen in frigid conditions , and the first sign of it is the browning of the leaves . This can cause significant terms in severe situations and even shoot down the trees . Luckily , there are sunburn - resistant varieties .

A few pestsmay bother your arborvitae . Spider mite can appear , especially during blistering and dry summer twenty-four hours . Unfortunately , by the time you find oneself these pesterer , it ’ll be too late , as you ’ll most in all likelihood notice browning that ca n’t be reverse on the leafage where they ’re feeding . Use insecticidal soap or horticultural oil , but be careful during summer heat since these sprays can also cause the plants to burn .

Bagworms can also aggress arborvitae . In summer solstice , you may see fiddling brown " bags " that bet like small pine strobilus hang from your tree . These are the cocoons of bagworms .

Thuja occidentalis Teddy, dwarf eastern arborvitae

Credit: Dean Schoeppner

How to Propagate Arborvitae

you may propagate arborvitae from cuttings rooted in later summertime or former declination . Using discriminating garden shear , snip a 5 to 9 - in twig from a goodish offset ( rather one less than a class old ) at a 45 - arcdegree angle . Make certain your carving has subdued , unripened leafage and a woody base . Strip any foliage from the basis of the press clipping and dust it with root endocrine gunpowder .

Stick the bottom one-half of your cutting into a prepared grow muckle filled with moist organic dirt mix or dampen horticultural sand and tamp down the potting cloth to keep the cutting upright . direct it in a locating with filtered light and keep it under a glass or plastic dome . irrigate your arborvitae cutting every sentence the grunge feels dry . It will likely take about 6 weeks for your film editing to take root and may need almost constant moisture to boom . transplantation to a bigger pot if necessary and plant your new arborvitae plant outside in the outflow .

Types of Arborvitae

Eastern Red Cedar

genus Thuja occidentalisis an specially problematical type of arborvitae , native to areas of North America . It grows 60 foot tall and 15 feet wide at matureness . Zones 2 - 7

Mr. Bowling Ball

Thuja occidentalis’Bobozam ' is a unequalled shape of arborvitae that asseverate a very tight , ball - shape form , usually reaching two to three feet tall and wide . Zones 3 - 7

‘Smaragd’ Arborvitae

Thuja occidentalis’Smaragd ' is a dwarf variety that spring bright immature strobilus . It grow three feet tall and encompassing . Zones 2 - 7

Woodward Globe Arborvitae

Thuja occidentalis’Woodwardii ' forms a dark unripe sector that grows eight fundament tall and 15 foot wide . geographical zone 2 - 7

‘Hetz Midget’ Arborvitae

Thuja occidentalis’Hetz Midget ' strain compact globes that turn bronze in cold atmospheric condition . It develop 32 inches tall and wide . zone 2 - 7

‘Little Gem’ Arborvitae

Thuja occidentalis’Little Gem ' is a dwarf variety that forms a compact , dark green vault of heaven three feet tall and six ft wide . Zones 2 - 7

‘Rheingold’ Arborvitae

genus Thuja occidentalis’Rheingold ' bears golden leaf that is sometimes pink - tinted when vernal , on a conic shrub growing three to six feet improbable . Zones 2 - 7

‘Sunkist’ Oriental Arborvitae

Thuja orientalis’Sunkist ' is a dwarf globe - cast miscellanea with gold - lean parting . It grow three feet tall and wide . Zones 6 - 9

‘Pyramidalis’ Arborvitae

Thuja occidentalis’Pyramidalis ' is a tight - growing , conical evergreen often used for hedges and windbreaks . At maturity , it grows 60 feet tall and 15 feet wide . Zones 2 - 7

‘Techny’ Arborvitae

Thuja occidentalis’Techny ' slowly grows into a impenetrable evergreen plant pyramid ; an excellent choice for for a hedgerow . It grow 15 feet tall and eight feet wide of the mark . Zones 2 - 7

Frequently Asked Questions

When former French settlers reached North America , they learned from Native Americans that these plants could be used to address scurvy , a disease triggered by vitamin C inadequacy , from which many sailors suffered . Young foliage is high in this nutrient , which led to the plant being constitute arborvitae , which understand to " Sir Herbert Beerbohm Tree of life story . “It ’s not recommended to be used for this stipulation now .

The lifespan of most arborvitae trees grow in yards and gardens is estimated at 50 to 150 long time . In the wild , it can be quite unlike . With surrounding forests and wildlife , arborvitae can get on slowly and live for 200 to 400 years . In fact , there are accounts ofT. occidentalistrees in Ontario , Canada that are allege to be over 1,000 years honest-to-goodness .

If the lean is significant or seems to staunch from the trunk , you may need to reposition the root ball and back the tree . look until early summer or later fall and practice wooden or metal wager that are at least two - thirds the tallness of the tree ( plus 24 to 36 in to be anchored underground ) . Sink the stakes evenly around the tree at a 45 - degree angle by from the proboscis . Dig around the trunk ( at least 2 to 3 feet abstruse ) and loosen up the tooth root . envelop the tree diagram with a thick towel and then habituate your mitt or a hardy forget me drug to snap up the tree diagram where you have padded it . Once the tree is upright , secure it in place with guy line bond to the stakes you have planted .

arborvitae thuga occidentalis smaragd

Credit: Jason Wilde

The eventual size of arborvitae depends on many factors — not the least of which is the eccentric . The American arborvitae can get as magniloquent as 40–60 foot and propagate 10–15 feet when fully matured . Techny and North Pole cultivar will only grow to about 15 marvelous and 7 or 10 feet wide . Some Earth - character arborvitae trees develop in a compact spherical shape that typically only reaches 3 to 6 foot tall and full .

Arborvitae . Bellarmine University .

On the life of arborvitae Sir Herbert Beerbohm Tree . Elisabeth C. Miller Library . Washington State University .

Thuja occidentalis Danica

Credit: Denny Schrock

Shrubs in Containers

Credit: Laurie Black

‘Little Gem’ Arborvitae

Credit: Peter Krumhardt

Blue spruce with golden arborvitae

Credit: Paul Vandevelder

‘Sunkist’ Oriental Arborvitae

Credit: Peter Krumhardt

‘Pyramidalis’ Arborvitae near purple fence

Credit: Jay Wilde

Thuja Occidentalis Garden

Credit: Peter Krumhardt