Our
Method for Growing Native Azaleas from Seed
by J. Jackson
Introduction
My wife Lindy and I operate a small container nursery in the
“Blue Ridge”
of East Tennessee. In the beginning everything was
grown in the ground. The pressure from deer browsing
caused
us
to change to container production.
We specialize in growing “Native”
and hybrid forms of deciduous
azaleas. For several years we purchased micro
propagated
(tissue culture) liners and grew them on in 3 gal. Squat pots.
Over the last few years we have made a deliberate move
to growing
deciduous and evergreen forms of the
Rhododendron species from seed.
This change was motivated
by several reasons. Preservation is the predominate reason. Many of our favorite R. species have become “endangered” from the practice
of collecting “wild” plants. Lindy and I started seeking out specimens in the wild (and in collections) that have “superior” characteristics
of growth, foliage and bloom. We propagate open pollinated seeds from those plants.
One of the most enjoyable
aspects of this process is the exploring for
and finding beautiful specimens “in
bloom” or “in seed” that are in the
“wild”.
We use a digital camera to document the bloom and growth habit
of
those plants. By using a hand help GPS to map their location we are able
to
relocate the plants in the fall when the seed is ripe without having to mark
or
tag the specimen in any way.
We have also grown seedlings from plants
collected/selected by other “plant collectors” that are found in arboretums and private collections.
There is genetic variation in seedling grown plants, but in our view the diversity is valuable to the overall plant population. We have
had success in growing out high quality seedling populations from those specimens. Even in the earliest
seedling stage, plants with special characteristics will “shine” in a block of plants. Those plants are separated
out in the first growing season. The selected seedlings are grown on to flowering. The
most vigorous and beautiful forms/specimens are planted on the farm as “stock” plants. This
practice has led to a nice collection of plants that reward us with blooms and seed.
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