Planting Your Grapes...
Always plant the graft union 1.5-2" above the ground in
zones 6b-7b
- Note: the ground can settle
on deep holes
Planting for Pots
Late April - Early June is the best time
- Note: These are just basics
and don't make up for a proper education. Ask me about classes
at OSU-OKC.
If vines are to be held for any length
of time on-site, be sure the vines receive filtered shade and
adequate irrigation. Their root-zones are small, so watering
will likely be needed daily. Note:
Plants on the edge dry out faster and will need spot watering.
Wind is very drying so plants should be held in sheltered
areas.
-
Keep
vines watered thoroughly before planting, but allow top of
potting soil to become somewhat dry when ready to plant.
-
Dig
hole a couple inches deeper and wider than soil ball.
-
Remove
plastic pot. Squeeze the sides then turn upside down and
use a 3/8-1/2" bolt to help push the root ball out. If you
must pull on the stem/trunk do so very gently. Do this
directly where you want to plant, as the root ball is very
delicate; and, you want to try not break any of the root
hairs.
-
Plant
top of potting soil 1"-1.5" below soil surface. Remember,
the soil will settle and the vines may sink some.
- Note: DO NOT DISRUPT ROOT BALL
-
Lightly
crumble soil (herbicide & fertilizer free) around vine and
cover root ball with at least 1", mounding slightly. I
prefer not to tamp the soil as the water will settle it
in.
- Note: Planting below nursery
depth will seem contradictory to planting techniques, but
grapevines can handle it and it prevents moisture loss.
-
Stakes should be place 2" back and 2" to the side, and the
grow tube placed on ASAP.
-
Pruning January - March: Leave foliage on the tree
(if applicable).
-
April - August: Prune laterals. Remove fruit if
applicable. New growth should appear in 10-14 days.
-
Sept. - December: Leave foliage on tree, prune in
late January. Watering
- Note: If a significant
amount of roots were damaged then similar amount of top growth
(if not more) should be pruned.
Watering
The field should have adequate moisture. If dry, pre-irrigate
several days in advance.
During the first couple months, the roots are beginning to
reach out into the soil.
Secure dripper tube so water is delivered to the root-zone of
each plant. Irrigate the planting block as soon as vines are
planted in order to settle roots, remove air pockets in the
root zone, and allow plants to take up moisture and recover
from transplant shock.
Watering of newly planted green vines throughout the first
growing season is extremely critical. How well it is carried
out will be a huge determining factor in the success of the
planting. Soils in the integral root-zone of the new vines
must be kept moist at all times. The root-zone should not be
kept saturated for long periods of time, nor should it be
allowed to dry out. Water to field capacity and allow for some
drying. Because soil textures and water holding capacities
vary widely it is not possible for us to provide exact
watering recommendations, however, 1/2 to 1 gallon of water
per vine every 3 to 5 days is a very general guideline.
Remember, as plants grow and daytime temperatures increase,
plants will transpire more than they will at planting time.
Do not make assumptions about moisture in the root-zone by
examining the soil's surface. The best way to check
root-zone moisture is by digging down to the root-zone and
feeling the soil.
Fertilizing
It is a good idea to fertilize your young tree from April -
September. Using a well -balanced fertilizer such as,
15-15-15, is recommended. Apply in a ring 18-24" away from the
tree and water in. Begin fertilizing when you see signs of new
growth
Planting for Dormant Bareroot plants
-Note These are just basics
and don't make up for a proper education. Ask me about classes
at OSU-OKC.
-Note: If a significant amount
of roots were damaged or pruned then similar amount of top
growth (if not more) should be pruned. This is usually done
before sale/ship.
The best time to plant dormant vines is late March through the
end of April.
Pre-Planting Essentials
Vines need to be planted in a field with adequate moisture. If
the field is dry, pre-irrigate several days before beginning
planting. Success on non-irrigated sites is not assured.
Vines should be allowed to warm up 4 – 5 days in a barn or
garage (out of direct sun) prior to planting. When planting
late in the season with daytime temperatures exceeding 65
degrees F, it is essential that plants be held at ambient
temperatures until the buds swell. Protect vines from
direct sun and prevent them from drying.
Vine roots should be soaked for 24 hours in water (free of
pathogens!). Biological preparations such as kelp or humic /
fulvic acids may be added to the soak solution. Many growers
report very good results.
Planting Essentials
-
Dig
a hole with a shovel 12" to 14" deep and wider than the
roots when they are spread out. Score the sides of the
hole, especially in soils with high clay content.
-
Place
the vine in the hole, spreading the roots over a cone of
soil at the bottom of the hole. Backfill the hole with
original soil free of herbicide residue, large clods or
rocks. If soil amendments are used, mix them thoroughly
into the backfill soil.
-
Tap
down the soil gently as you proceed, while keeping the
plant straight and upright. I personally recommend
crumbling the soil then letting the water settle.
-
When
the hole is filled and tamped down, the graft union should
be 2" above the soil line.
-
Loose
soil (free of herbicides) must be mounded over the vine.
This soil mound should extend about 1" above the tip of
the plant so none of the plant is showing. This is
essential since the soil protects the buds from
temperature extremes as the vine comes out of dormancy.
-
Irrigate
right after planting to help settle the roots and remove
air pockets around them.
-
When
growth appears, remove the soil mound from around the vine
so the graft union is well above the soil line and install
a paper vine shelter such as a 1/2 gallon milk carton.
- Note: if the danger of frost
is past then you can go straight to grow tubes, instead of
mounding the soil.
-
Water
weekly, keeping roots moderately moist in well-drained
soil.

a few grafted plants under shade cloth for
acclimation": |
Why green growing benchgrafts are better:
- You have a healthy root system fully intact at
planting time, instead of losing all the rootlets.
- Plant directly from the container to the field
with little root disruption.
- Grown in non-soil media, rather than field
digging. So no pruned roots and no chance of
nematodes or other pest transmission by soil.
- Easy handling at planting, 4x4x10" pots.
- Successful planting year round, however,
Summer can be very stressful in hot, dry, years.
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