At this time of the
year, the branches of the tree peonies stand bare of leaves and the buds
mant. Since there are no leaves, strictly speaking, sunlight is not
especially necessary. Though the "botan"
is quite cold hardy, even so it is not desirable that it be subjected,
such as it might be in areas
of severe cold, to freezing conditions over an
extended period of time, nor should the soil of potted tree peo-
that it is necessary to have
the heat of the sun
the ice smelted.
ground remains dormant,
the root continues to absorb moisture.
Respiration is also taking place. In short, one could
simply say the colder the temperature is, the less the in-
ternal activity of the plant.
I. Care of Garden
1. Mature Plants (3+ year-old grafts)
Mulch: Mulch is applied to the ground to help prevent freezing and
drying out. This is not necessary in
B. Watering: Not
Fertilizing is not
done during this month,
but at about the
middle of the
month at a rate of
in the soil.
the lime is applied
after the mulch has been temporarily removed.
and transplanting are not
ordinarily done during this month; in warmer
it is not impossible.
If transplanting is an
absolute necessary, the plant should be re-
moved with the
largest amount of the soil possible, care being taken not to disturb the
roots, and trans-
breaking up the attached soil and then mulched.
this activity will have an
verse effect on
that year's growth and is not highly recommended.
E. Pruning: No
pruning is done during this month.
Immature Plants (1-2 year-old grafts)
as in the
case of mature
plants. but both en cold and warmer climates.
they should be watered if they
Other than than that,
treatment should be the same
as that of mature plants.
Care of Potted
1. Mature Plants (3+ year-old grafts)
exposure need not especially
be sought out,
but the plants
should be placed
in a lo-
cation where the
soil in the pot will not easily freeze.
In warmer areas,
they can be placed in an out-of-
corner of the garden, or, in areas of average
winter conditions, under the eaves. In regions
where the soil
would easily freeze, the pots can be buried in the soil, thus avoiding
pots being broken by
the freeze. In the
bottom of a hole dug in the ground, small stones pieces of Styrofoam,
of places with poor drainage.
is buried such
that the top edge
protrudes somewhat above the soil.
Then the top of the pot
and the surrounding soil
B. Watering: Potted
should be watered
the rate of once a
those placed in a
ner of the garden
and twice a week for those placed under the eaves. There will probably
be no need to
water pots that
have been buried.
but in water-
ing when the
surface of the soil in the pot has dried out and appears whitish.
Then it should be
during the morning
In colder regions
or when serve cold is expected to continue for se-
however, it is important that watering be kept to a minimum.
it is difficult
to tell the agree
of dryness of the
with a covering
of mulch over it,
until the gro-
well accustomed to
he should directly
condition of the
lifting up the
mulch and peeking underneath.
Fertilizer in not done this month.
Etc.: Not done.
2. Immature Plants (1-2 year-old grafts)
should be kept in a
place warmer than
that for mature plants, such as indoors.
Other than that,
care of these
plants is the same as that of mature plants.
III. Prevention and Remedy of Disease
prevent the appearance of harmful insects and disease later with the
onset of spring, a 20:1 con-
centrated solution of
lime and sulfur is sprayed once over the plants. This is especially
important to do if
or dark brown
on the flower petals, leaves, leaf
etc., or if
withering of the leaves came sooner than usual.
If only a small number
application of the solution can be done with a brush rather than a
V. Notes for Especially
where freezing conditions continue over an extended period of time, the plants should be well
in the case of potted plants, each should be buried in the soil and a
layer of mulch
in a somewhat
but if overly
out, should be
watered during the morning.
Since the plants would have been fertilizing is done until the coming of
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rights reserved by American Peony Society (APS)
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annual dues to Mrs. Claudia
713 White Oak Lane, Gladstone, MO
64116-4607, USA. Benefits
are received by members, including four quarterly bulletins.
For members are many special APS peony books available. Also the above
APS also have a web address: http://www.americanpeonysociety.org