2 p.m. cst...2 p.m. cst upcoming webinars •feb. 19 –growing tomatoes in north dakota –tom...
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Spring Webinar Series2 P.M. CST
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Upcoming Webinars
• Feb. 19 – Growing Tomatoes in North
Dakota– Tom Kalb, NDSU Extension Horticulturist
• Feb. 26 – Building a Terrarium– Esther McGinnis, Associate Professor, NDSU
Extension Horticulturist
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Please Complete the Survey
• Please complete the short online survey that will be
emailed to you after today’s webinar. It will take just a
couple minutes!
• Be sure to sign up for an opportunity to win a prize in the
drawing. After submitting the survey, a form to fill out
with your name/address will appear.
• Acknowledgement: This project was supported by the U.S.
Department of Agriculture’s (USDA) Agricultural Marketing
Service through grant 14-SCBGP-ND-0038.
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Growing Flowers for Fun
or ProfitDon Kinzler
Extension Agent, Cass County Horticulture
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Flowers make our homes and cities
beautiful.
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Flowers have been an important part of our
lives since ancient times.
Early settlers soon
planted flowers around
their homesteads.
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Flowers enrich our lives and decorate our
home yards and businesses.
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The basic culture of flowers is the same,
whether growing them for fun or profit.
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Two common categories of flowers: Annuals
and Perennials
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Annual Flowers
Simply called “annuals” or “bedding plants.” Live for one
growing season, flower, produce seed, don’t survive winter.
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Perennial Flowers
Called simply “perennials.” Plants live two or more years.
Plants die to the ground during winter, and emerge again in
spring.
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Annual Flowers-Unparalleled in color and excitement.
-Extended bloom for much of growing season.
-Main disadvantage: need to replant each year
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Fit annuals to their preferred light: Sun vs.
shade.
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Three Ways to Use Annuals
1. Flowerbed composed of all annuals.
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2. Annuals in combination with perennials.
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3. Annuals in containers. Planted in pots and
planters for use on balconies, decks and
doorsteps.
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Annual flowers grow best in soil rich in
organic material like compost or peat moss.
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Annuals can be planted in rows, or informally.
Check tags for height and width of each type.
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Fall cleanup of annual flower beds: If plants
are disease-free, they can simply be cut up,
or mowed over, returning the organic material
to the soil. Diseased material should be
removed.
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Annuals combine well with perennials to
create splashes of color and bridge times
when perennials aren’t in bloom.
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Annuals create colorful containers for balconies,
decks, and doorsteps. Design each with a thriller, a
spiller, and a filler.
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Annuals are “heavy feeders.” Slow release
fertilizers provide season-long nutrition. Water-
soluble fertilizers can be applied every 2 weeks.
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To keep annuals flowering longer, “deadhead”
them by removing “spent” flowers before they the
seed pod enlarges.
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How do you obtain annual flowers? One way
is to buy transplants from garden centers.
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Or you can start annuals yourself indoors from
seed.
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If direct-seeded outdoors into flowerbed soil, most
annuals take too long to grow and bloom, which is
why they’re usually started early and “transplanted”
out. Zinnia, Cosmos, Four O-Clock, and Marigolds
are 4 types that can be successful.
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Perennial Flowers
Flowers that live 2 or more
years.
Often called “herbaceous”
perennials, because they die
back to the ground each winter.
(Trees and shrubs are “woody”
perennials, whose tops survive
winter.)
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Perennials that are “winter hardy” for our region
emerge each spring from underground roots or
structures that live from year-to-year.
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Perennials have several types of
underground structures from which they
arise.Many perennials
have fibrous root
systems, attached
to a “crown”, which
is the term given to
the point between
above-ground
stems and below-
ground roots.
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The underground structures of some
perennials are bulbs, such as lilies.
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The underground structures of some
perennials are modified stems, such as the
rhizomes of iris.
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Some underground structures, like these
gladiolus corms, aren’t winter-hardy, so they
must be dug and stored indoors during winter.
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How are perennials used? They’re
beautiful in a perennial bed all their
own. Or…
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Perennials make great additions to our
landscapes, along with shrubs.
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Perennials can be classified as long-lived
and short-lived types.
Some perennial types can
live for many decades in
flowerbeds or landscapes.
Other types of perennials
are shorter-lived, having a
lifespan of 3 to 5 years.
Peonies, such as in this
photo, can live for
centuries.
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Other perennials, like these delphiniums, have shorter
lifespans, living 3 to 5 years, and sometimes need
replacing if they weaken and don’t return in spring.
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For a successful perennial bed, combine
types that bloom in spring, midsummer, and
fall, for ever-changing, continuous bloom.
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Investigate the light requirements of
perennials. Some prefer shade, others sun.
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Perennials give a chance to exercise patience,
as most types require about 3 years to
develop into plants capable of full bloom.
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Nearly all perennials grow best in soil rich in
organic material, like compost or peat moss.
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When planting, check tags for the height and
width, giving each plant room for its eventual
“footprint” of space.
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Perennials love mulch. A layer 3” to 5” thick
reduces weeds, conserves moisture, and
keeps soil healthy.
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“Deadhead” flowers by removing withered
blossoms to prevent seed pod formation.
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Perennials aren’t necessarily less work than
annuals. Although they don’t require yearly
planting, weed control can be a challenge.
To control weeds
in perennial
flowers, hand
weeding is often
the best
alternative.
Mulches can
reduce weeds.
Pre-emergent
weed herbicide
granules can be
applied before
weeds establish.
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Perennials might need dividing if they begin
to decline. Divide spring-blooming types in
fall, and fall-blooming types in spring.
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In what forms are perennials purchased? (1)
dormant bare-root, (2) potted plants, (3) bulbs
or other dormant, underground structures.
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Above-Ground, Perennial “tops” are best left
intact during winter, and cut back in spring.
To protect
perennials,
a winter
mulch of
leaves or
straw can
be added
after the
ground
freezes.
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These same principles apply, if growing
annuals or perennials for profit.
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There are several ways to make flower-
growing profitable.
Cut flowers can be sold at farmers
markets, or sold wholesale to florists.
“Bedding Plants” can be raised in a
greenhouse for sale to customers
buying packs of transplants.
Perennial roots or underground
structures can be grown in fields and
multiplied by division. Once divisions
are saleable size, they can be dug
and sold, such as peonies, iris,
daylilies and lilies.
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Whether growing annuals and perennials for
fun or profit, they’re beautiful!
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Questions?www.ag.ndsu.edu/fieldtofork