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Pinching Houseplants and other February Gardening Tips
By Charlie Nardozzi, Senior Horticulturist National Gardening Association, &
Dr. Leonard Perry, Extension Professor, University of Vermont
Pinching back houseplants, getting ready for and sowing some seeds, and checking stored
summer bulbs are some of the gardening activities for this month.
Pinch those House Plants
With the stronger sun and longer days, houseplants will be putting out more
new growth that can become leggy. Also these succulent shoots are very
appealing to aphids. Keep pinching the growing tips and move plants around
if needed to give them all some time in the sunniest windows. Rotating plants a
quarter turn weekly will help keep them growing straight.
Spray Dormant Oil
When a break in the cold brings temperatures above 40 degrees, it's a good time
to spray dormant oil on landscape plants infested with scale and other
overwintering pests. The oil will smother the insects.
Get Out Pruning Tools
You'll want to get to your pruning tools in February and March for
dormant-season pruning, so dig them out and clean them up if you didn't get
that chore done in the fall. Disassemble hand pruners if easily done, loppers,
and shears; sharpen the blades, oil the levers, and remove any rust. Pruning
trees will go much faster and be easier on your hands and on the plants if you
use sharp, well-maintained equipment.
If you've stored dahlias and other tender bulbs in a cool spot for the winter,
check on them now and then and remove any that are moldy or rotted. Also
they may begin sprouting prematurely if they've been a bit warm, and then
you'll need to pot them up and grow them indoors (in as cool an area as
possible, but not freezing) until spring. If you let the stems grow without being
planted, the bulbs will soon die.
Heat Mat for Seeds
For seeds that need warmth to germinate, a heat mat underneath the flat can
make a big difference. Once the seedlings are up, move them off the mat and
grow them on at a cooler temperature to encourage strong, stocky growth.
Start Slow Growing Annuals
It's not too soon to start annuals that get off to a very slow start, such as pansies,
violas, petunias, snapdragons, and lobelia. While garden centers offer some
favorites, the choices are seemingly endless when your grow your own, and the
quantity will be too if you save all the little seedlings. Just remember when
sowing to sow a few extras, but not too many. Keep in mind all those plants
will need planting and weeding, and do you really have space for them all?
If you just need some color to brighten up winter days, consider a pot or two of
forced bulbs (if you didn't start your own), or some cut flowers. Buy cut
flowers in bud, just opening, for longest life. Keep cut flowers protected on the
way home from freezing, and put right in water containing a flower
preservative (available at most florist shops and garden stores).
Another way to get some color indoors is to cut some branches of pussy willow,
forsythia, crabapples or other spring flowering plants to force into bloom
indoors. Soaking in a bathtub overnight may help, but you don't need to
pound the ends of branches as some recommend to "loosen" them up. A clean
cut with sharp pruners is sufficient.
Other February Gardening Tips
Other activities for this month include keeping birds fed regularly, pruning
fruit trees and grapevines and blueberries, checking houseplants for pests
weekly and fertilizing them.