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HORTICULTURAL TIPS OR "HOW TO GROW 'EM"
Bearded Iris are
very hardy plants and will grow almost everywhere except South
Florida and Hawaii. Planting instructions are included in each
order so we will skip that part of the lesson. Just be sure to
plant them as soon as you can after receiving them; they hate
being left out of the ground and give them room to grow
(12-18" apart).
Tall Bearded (TB),
Intermediate Bearded (IB), Border Bearded (BB), Standard Dwarf
Bearded (SDB) and Miniature Dwarf Bearded (MDB) HATE (and we do
mean HATE) wet feet. Plant them in a well drained bed in full sun
(at least 6 hours a day), and, after they are established in their
home, they need no mulch or regular watering. If you see signs of
ROT (soft, mushy rhizomes), scrape the soft part entirely off with
a spoon, dust it with COMET cleanser, let it dry, put dirt back
and talk nicely to it. Keep the beds clean and free of debris and
you will be rewarded year after year with rainbow colors in the
Spring.
Reblooming (RE)
types do like summer drinks and snacks to allow them to bloom in
the late summer or fall so plant them away from the other Iris so
you can water and feed them regularly. Beardless iris (Siberians,
Japanese and Louisianas) are also water-lovers.
Fertilizer - six
weeks before bloom time (crocus are up), you can give them a snack
- use any LOW NITROGEN garden fertilizer like 5-10-5 (make sure
the first number is very low because that is the Nitrogen level).
Top-dress the bed (fancy words for scratching a handful in around
each Iris clump), remove any old Iris leaves, tree leaves etc.,
make sure the top of the rhizome is showing so it gets sun and is
less likely to rot and just WAIT!
If you have an
established bed of Iris that is green and wonderful but does not
bloom profusely, they are probably crowded and need transplanting.
Some of these guys grow like weeds and will need to be split every
3-4 years. Others spread more slowly and put their energy into
growing beautiful flowers. To divide, dig up the clump, cut the
rhizomes apart with a sharp knife, discard any old, holey, mushy
parts and replant the rest, giving them room to grow. Planting
three in a circle is a good way to establish a new clump.
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