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The Premier
Gardeners
Guide
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Indoor Topiary
Topiary or living sculpture was first created on outdoor trees and
shrubs by the Romans. Tree or shrub topiaries have been practiced for
centuries in many formal European gardens.
However, this concept of
living sculpture is a great way to grow and maintain several types of
houseplants and tender herbs. While many different types of topiary
have evolved since its creation by the Romans, three basic types of
indoor topiary are pruned, hollow, and stuffed.
Pruned topiary often take the longest to achieve because they require
regular pruning. Special forms like cones, spirals, and stacked spheres
are achieved through careful training and pruning. Herbs like myrtle,
rosemary, and lavender are a few plant possibilities. When plants are
young, they are carefully grown and pruned until the desired shape is
achieved. A stake may be necessary until a strong central leader has
developed. The best plant choices often become woody enough to support
themselves without any staking.
Hollow topiary utilizes creeping or vining type plants grown around a
wire frame. Common frame shapes include hearts, spheres, pyramids, and
animal forms. Simple frames can be constructed out of wire coat hangers
or other types of flexible, heavy wire. Ivies are the most common and
one of the easiest plants to use for hollow topiaries.
Establish the
vining plants in a large container, then carefully insert the frame.
The vining plants should be loosely attached to the frame. The plants
will eventually cover the frame completely. Hollow topiaries utilizing
fast growing vines will take less time to complete than the pruned
topiary. Plants will require frequent pruning to maintain shape.
Stuffed topiary are not grown in a container of soil. Instead, the
plants are grown in a moss stuffed wire frame. A number of shapes or
forms are available. The form is stuffed with moss and secured to the
frame with fishing line. Small plants are planted directly into the
moss and kept in place with wire or greening pins. Creeping or vining
type plants are often used to cover the frame quickly. The moss will
dry out faster than most potting soils and therefore must be checked
and watered more frequently. To water this type of topiary, submerge
the frame into room temperature water until evenly moist. Complete
rejuvenation of plants will be necessary in several years as the moss
deteriorates.
Care for Topiary
Besides regular pruning to control unwanted growth and maintain the
basic shape, most topiary require about the same amount of care as
typical houseplants. Irrigation may be needed more frequently and
should be checked often. A dilute solution of a houseplant fertilizer
should be used monthly during the growing season. If fertilized too
often, the plants will require more frequent pruning. Keep plants in a
brightly-lit location with moderate temperatures. It is important to
rotate the plant weekly to maintain the full appearance of the plant.
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