TIPS ON HOW TO GROW FRUITS IN YOUR GARDEN
WHAT YOU NEED TO PUT INTO CONSIDERATION
Fruit trees are somewhat fussy about where they're planted. If you were
planting a large commercial orchard, site selection would be critical. But for
a small home orchard, your best bet is to take a handful of variables into
account, select the most promising site on your property, and then plant a
couple of trees and give it a try. - Soil: Fruit trees don't like wet feet, so well-drained, loamy soil is a must. They should be located where there is good air circulation so their leaves will dry quickly, since moisture helps spread disease.
- Frost: Flower buds can be easily killed by late spring frosts, so avoid siting your orchard in a frost pocket. Cold air flows downhill, making flowering fruit trees located at the bottom of a slope especially vulnerable to frost. Mid-slope is the best location, because winds are most severe at the top.
- Slope direction: Which direction the slope should face is not always clear. Southern and southwestern slopes can be hot and dry, and can cause trees to break dormancy too early, which makes them susceptible to damage from late frosts. Yet a southern slope can work well if it is protected from the prevailing winds by a windbreak on any side except the downslope one (which would block air circulation). A northerly slope may not provide enough solar exposure to evaporate moisture and promote good fruiting. In humid regions, easterly slopes can speed drying of the morning dew.
- Sun: Fruit trees need a lot of sun to grow healthy and be productive. If they are shaded by other trees or a building they will be less fruitful and more prone to insects and -disease.
PLANTS SELECTION
It pays to seek out trees and shrubs that have some
natural resistance to disease. In apples and pears the common diseases include
scab and fire blight. With other fruits, such as raspberries, make sure you buy
from a nursery that propagates from virus-free plants. Selecting
disease-resistant plants doesn't mean that you will never experience any
disease problems, but it greatly improves your chances for success.
Another crucial issue is hardiness. To make sure
that the plants you purchase won't be damaged over the winter, check hardiness
information before you buy. Also consider bloom time. Many fruits flower very
early in the spring. If your area is prone to late frosts, such early bloomers
may survive, but they will never truly thrive or reliably set fruit. To grow
these plants in a marginal area, you’ll have to plant them in an especially
favorable and protected site.
Buying Plants: Locally or by Mail?
Local nurseries usually sell trees in containers or
with the root mass wrapped in burlap. Mail-order nurseries usually sell trees
as "bareroot stock," which means that they are shipped to you in a
dormant state with their roots packed in damp wood shavings.
The choice of where to buy is up to you: mail-order
nurseries tend to offer more varieties than garden centers, so if you are
looking for a particular cultivar or want a broad selection you should start
with them. However, if you're unsure about which variety to buy, a local
nursery will carry plants that will thrive in your growing area.
If you buy bareroot plants by mail, you will need
to plant them in early spring, as soon as the ground can be worked, while the
plants are still dormant and the water table is high. This spring planting
gives the young plants a full growing season to get established before the
onset of freezing weather in the fall. Trees and shrubs sold in containers by
local nurseries are more forgiving in terms of planting time; they can be
successfully transplanted in most areas either in the spring or early fall.
Most fruit trees will be sold as grafted stock.
This means that the tree consists of at least two sections. The top part is
called the scion, and is a branch cutting that has been taken from the variety
of fruit you want to grow. The bottom part is the rootstock, and it is usually
selected either for hardiness or the ultimate height and size of the tree.
Standard rootstocks result in trees of full size (to 15 feet or more). Dwarf
rootstocks limit the size of mature trees to 6 to 8 feet or so. Semi-dwarfing
rootstocks produce mature trees somewhere in between the two extremes.
Dwarf fruit trees result in space-efficient plants
that begin bearing fruit quickly, usually two to three years after planting.
There are, however, a few disadvantages to growing dwarf trees. They have a
shorter life expectancy than standard-sized trees—about 10 to 20 years on
average. Because of their limited root systems, dwarf trees don't compete well
with grasses and other plants, so you'll have to keep the area around them
weeded and well mulched. Also, most true dwarfs are not suitable for regions in
Zone 4 and colder. But for gardeners concerned with space limitations, or who
live in relatively mild climates, dwarfs can be the ideal choice.
HOW TO PLANT A FRUIT TREE
1. If you've ordered bareroot nursery stock, soak
the plant roots in water or manure tea up to 24 hours before planting. If you
can't plant within a few days after receiving the shipment, repack the plant in
the damp sawdust or wood shavings it came in and store it in a cold, dark
location until the ground can be worked. Never expose the bare roots of plants
to wind or sun.
2. Using a sharp, square-ended planting spade, dig
a circle 2 feet in diameter and about 3 feet deep. Remove the sod and set it
aside. Now separate the topsoil and the lighter-colored subsoil into two piles,
and remove any rocks from the planting hole.
3. Chop up the sod and put the pieces in the hole,
grass side down, so that it doesn't come in contact with the tree roots. Cover
the sod with a little topsoil.
4. Set the tree into the hole. For grafted trees
grown on standard rootstocks, position the tree so that the graft union, the
point at which the scion and the rootstock were joined together, is 1 to 2
inches below the surface of the ground. For dwarf and semidwarf rootstocks, the
graft union should be 2 to 3 inches above the soil surface.
5. Fill in around the roots, using the topsoil
first. Use your hands to firm the soil around the roots and eliminate any air
pockets. Fill in about half the planting hole.
6. Pour water into the planting hole until the soil
gets quite mucky. Then, using your foot, tamp down the soil.
7. Fill in the rest of the planting hole with the
remaining topsoil and subsoil. Firm down the soil around the tree and make a
"dish" or depression to encourage water to drain toward the tree.
8. Mulch around the tree with organic matter
(leaves, compost, grass clippings, etc.). Don't use fresh manure, though
well-rotted manure is fine. Line the mulch in the same dish shape around the
tree.
9. Water the tree until the soil cannot readily
absorb any more.
10. Drive one or two stakes into the ground outside
the root zone to mark the tree. Fruit trees grafted to dwarf rootstocks develop
smaller root systems than standard-size trees and require some support. After
planting dwarf trees, attach the tree to the stake using some -flexible tubing
or other material.
11. Prune off any side branches and cut back trees
by about one-third after planting. Balled or container trees do not need to be
pruned.
12. Place wire-mesh "hardware cloth" or a
plastic tree guard around the tree trunk to protect it from rodents and deer.
13. Post-Planting. During the first growing season,
water the tree regularly, giving it 5 to 10 gallons per day for the first month
or so, then watering two or three times a week for another couple of months, or
during dry weather. In the late fall, paint the tree bark with white latex
paint diluted with water, so the bark will reflect winter sunlight and not be
damages by sunscald or cracking.
POLLINATION
Many varieties of fruit trees and shrubs are
self-fruitful: that is, they do not need to have a plant of another variety
nearby with which to cross-pollinate. Other varieties (particularly those of
fruits) need to have a partner in the orchard so that they will be pollinated
and produce a good crop of fruit. In fact, even self-fruitful varieties often
benefit from having a different variety of the same plant located nearby.
Cross-pollination doesn't mean that you will end up
with weird-looking hybrid fruits. For example, a 'Cortland'
apple tree will always produce 'Cortland'
apples, even if its blossoms are visited by bees who carry pollen from another
variety of apple or crabapple that is growing nearby. However, if you planted
the seeds from that 'Cortland'
apple, you would probably grow a tree that bore an entirely different kind of
apple, one that was not "true to type."
Commercial orchards often rent honeybee hives to
ensure good pollination during blossom time. Fortunately, there are also wild
bees that do the same job. For example, the orchard mason bee (Osmia
lignaria) is a good pollinator, and is found throughout most of the United States, with the exception of the Deep South.
It's very important never to spray insecticides
during the blossom time of either the fruit trees or the other groundcover
plants (dandelions, clovers, etc.) that may be growing near them. These toxic
chemicals can kill bees and other beneficial insects. Read on for more
information on nonchemical methods of pest control. Nursery catalogs and books
usually provide good information on which varieties of plants need pollinators
and which will produce fruit even if planted alone.
Orchard Maintenance
Cleanup: Maintaining a clean orchard means
picking up after your trees. Fruit that drops to the ground can contain insect larvae,
which burrow into the soil where they overwinter, to reemerge in the spring.
These drops also attract voles and mice, which can damage trees by chewing on
the bark. Pick up the dropped fruit and burn or bury it underground far away
from your trees. Pick up the fruit as soon as possible after it drops to catch
the larvae before they burrow into the ground. It's especially important to
collect the spring drops, which are still quite small but can contain a large
number of larvae.
While you're picking up dropped fruit in the fall,
also clean up fallen leaves, which can likewise harbor disease and insects.
Removing apple leaves within 200 yards of your apple trees will reduce the
number of scab spores the following spring.
Pruning: Pruning is a subject unto itself.
Certainly you will want to learn the basics and practice selective pruning of
your fruit trees and shrubs on a yearly basis, removing crossing branches,
suckers and watersprouts; opening up and reinvigorating older plants; and
allowing good air circulation to prevent disease.
Insect and disease control: If you follow
good cultural practices and select disease-free trees and shrubs, you should be
able to keep most common orchard pests and diseases in check without the use of
chemicals. But to grow fruit organically, you will need to tolerate some degree
of pest and disease damage. If you were to prevent all insect and disease
damage, you would need an arsenal of toxic sprays—something no one wants to use
around the home landscape.
One strategy is to attract beneficial insect
predators to your orchard by planting wildflowers and herbs, including dill,
buckwheat, tansy, yarrow and goldenrod. Another way to reduce certain kinds of
insect damage is to trap pests using simple, visual lures. These traps mimic
the way leaves or fruits appear to insects. For example, the apple maggot fly
can be lured by hanging in the tree small, dark red spheres that are covered
with a sticky substance called Tangletrap. Female flies get stuck as they jump
from fruit to fruit, and then die.
There are also many biological sprays that can be
used in the orchard at key times to disrupt insect cycles. Dormant oil spray,
Bordeaux mixture and other natural products are relatively nontoxic to
beneficial insects and to humans when used judiciously and according to the
manufacturer’s instructions.
Simple physical barriers serve to keep many animal
pests from damaging trees and fruit. These range from wire mesh or plastic tree
guards set around young trees to protect them from mice and rabbits, to smelly
soap hung on branches or tall fences erected around the orchard to discourage
deer.
By combining preventive measures with the least
toxic controls, you can have a healthy orchard and still harvest lots of
good-quality fruit for eating.
How to Grow Berries
Raspberries, blackberries, and strawberries are enjoyable edible fruits that you can learn to grow in this section.Raspberries and Blackberries
These fruits grow on thorny canes, which are elongated, semi woody flowering stems about five or six feet tall. They spread with underground runners and can be aggressive unless severely checked. But they are worth the trouble for the absolutely delicious berries, which can be eaten, still warm from the sun, right off the plants in summer. You may have to cover the ripening berries with netting to protect your crop from the birds.Fruit breeders have given us types of raspberries that are everbearing or repeat bearing, instead of bearing fruit just once a summer.
Blackberries, too, have been worked on by breeders, and you can purchase thornless types that are delicious and have very large berries. Some of these prefer to have their canes staked to poles or other supports. They are self-pollinating and easy to grow, performing best in well-drained soil.
- Cut the canes on blackberries and raspberries when first setting out new plants. The canes are the elongated flowering stems. Leave just a few of the leafy buds at the base of the stems. This eliminates any cane diseases that may have hitchhiked to your garden on the plant. It also discourages spring flowering, letting the plant become well established before moving on to berry production.
- Thin out one-third of all blackberry and raspberry canes each year to keep them productive. If you've ever tried to walk through an abandoned farm field bristling with blackberry thickets, you know what a thorny tangle these plants can grow into.
Strawberries Strawberries are fun to have around for garden tastes, even if the crop is not that large. Various raiders such as birds and squirrels will get most of the crop if you don't keep them out with netting or repellents. The plants like full sun or bright partial shade and moist, rich soil. Buy your plants from local sources for types that thrive in your climate. Mulch strawberries with straw to keep the fruit clean. Straw keeps soil and disease spores, which cause berries to rot and mold, from splashing up onto the berries. As a result, they look nicer and keep longer. Straw also keeps the soil moist, so the berries can plump up, and it helps reduce weeds.
Grow day-neutral strawberries for a summerlong harvest. While June-bearing strawberries bear fruit heavily in early summer, and ever-bearing strawberries bear in June and again in fall, day-neutrals can keep flowering and fruiting throughout much of the summer.Plant day-neutral strawberries as early in spring as possible and pinch off all the flower buds for six weeks afterward. This lets the plants grow strong before they begin to fruit. Once the plants are flowering, fertilize them monthly to keep the plants vigorous and productive.
Heavy producers such as these may not keep up the pace year after year. When you notice berry production diminishing, consider starting a new strawberry patch with fresh plants.
Plant strawberries in a strawberry jar for a delicious feast on a patio. Strawberry jars stand about two feet high and have openings along the side, perfect for planting with strawberry plants. They look especially charming when little plantlets sprout on runners and dangle down the sides.
These guidelines should take the mystery out of cultivating your own fruits and berries so that you can readily enjoy nature's freshness from your own garden.
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