Grow A Rainbow - Extension · 4/9/2019 1 1 Grow A Rainbow Annual Flowers for Color and Purpose...

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Grow A RainbowAnnual Flowers for Color and Purpose

Robin TrottUniversity of Minnesota Extension

Douglas County

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© 2012 Regents of the University of Minnesota. All rights reserved.

MANY OF THE BEST FLOWERS FOR CUTTING ARE ANNUALS

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Annual flowers bloom more quickly and for a longer period than any other group of plants.

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Annual flowers offer the gardener a chance to experiment with color, height, texture, and form.

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Annuals can provide a massive display of color.

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Annuals are useful for filling spaces where perennial flowers have died, to cover areas where spring-flowering bulbs have died back.

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California Poppy Celosia Cosmos Dahlia Geranium Gladiola Impatiens Nasturtium Salvia Snapdragon Sunflower Sweet Pea Verbena Zinnia

RED

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African Daisy – (Osteospermum)

Calendula Icelandic Poppy Dahlia Geranium Marigold Nasturtium Pansy Straw Flower Zinnia

ORANGE

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Calendula California Poppy China Aster Cleome Cosmos Four o Clock Marigold Nasturtium Pansy Portulaca Snapdragon Stock Strawflower Sunflower Sweet Pea Zinnia

YELLOW

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Amaranthus Bells of Ireland Bupleurum Celosia Gladiola Nicotiana Sunflower Zinnia

GREEN

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Anagallis monellii"Blue Pimpernel"

Ageratum Bachelors Button China Aster Lobelia Lupine Pansy Penstemon Scabiosa Sweet Pea

BLUE

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Candytuft China Aster Cleome Foxglove Pansy Petunia Statice Trachelium

VIOLET

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Color Theory

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By planning what colors to plant, the gardener creates a theme for the design, or a color scheme. There are at least six different color schemes to choose from and they mostly refer to positions on the color wheel. Each evokes a different psychological response.

COLOR SCHEMES

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Monochromatic color schemes use one color and its various values (tints and shades). Such schemes have harmonious visual effect.

MONOCHROMATIC

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Analogous color schemes use colors that are next to each other on the color wheel. Depending on the color, a warm or cool effect can be achieved

ANALOGOUS

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Complementary color schemes use colors that are opposite each other on the color wheel. Each complementary color adds to the intensity of its opposite.

COMPLEMENTARY

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Primary color schemes use the three primary colors, red, yellow and blue. They are bright and energetic, especially when used together. Primary colors may be too visually jarring. This is easily corrected by using shades or tints of the primary colors together.

PRIMARY

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Riotous color schemes are best defined as the use of multiple colors in a vibrant and bold combination. This is the most difficult scheme to achieve successfully. With the use of so many colors, some may clash, and the human eye may have nowhere to focus. This scheme can be too energetic and visually stimulating; therefore, repeating colors is important to ensure unity

RIOTOUS

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Pastel color schemes use color tones to create soft and subtle effects in the landscape. Pastel colors combine best with other pastel colors and work well with plants with silver or gray tinted foliage.

PASTEL

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Seeds guarantee the best selection

It's easy You'll save money Seeds satisfy the itch to

garden Avoid the crowds

SEED STARTING

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1. Good Seeds2. Sterile Growing Mix3. Containers for germinating

seeds4. Clear plastic domes5. Heating pad6. Lights7. Larger Containers for

Growing On8. Fertilizer9. Nurturing

THINGS YOU NEED TO START SEEDS

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How long does it take seeds to grow to transplant size

How soon can you plant out? (Cold tolerance)

Successions?

TIMING

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When seedlings are grown inside in a controlled climate, they don’t have the opportunity to develop the strength and structure to live out in the elements. They need to get acclimated to their new home.

HARDENING OFF

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RESOURCES http://tomclothier.hort.net/ Seed Germination Theory and Practice:

http://naldc.nal.usda.gov/download/41278/PDF

www.johnnyseeds.com– Interactive tools

www.davesgarden.com/ www.extension.umd.edu/growit/food-gardening-

101/plant-seeds-your-success

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Plant on a cloudy day if possible.

For tender annuals, plant when the night time temperatures are reliably above 50°.

arrange plants—in their pots—in the pattern you’ll follow when planting.

Space plants according to their mature size.

Water well immediately after planting.

Mulch! Mulch! Mulch!

PLANTING

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Plants need 1” of water/week. Deadhead your annuals to

keep them looking fresh. Keep and eye out for pests. Identify the pest to know how/if

to treat. Keep the garden weed free, as

weeds can be pest vectors. Fertilize when needed, either

with a slow release fertilizer or once every 2 weeks at half strength, or 4 weeks at full strength.

Keep plants clean by clearing out dead/dying material.

MAINTENANCE

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Once you’ve gotten hooked on the world of annual flowers and all the possibilities they open, you can change your garden theme each year, and even alter it season to season, much like a painter choosing his palette.

I perhaps owe having become a painter to flowers~Claude Monet

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© 2012 Regents of the University of Minnesota. All rights reserved.The University of Minnesota is an equal opportunity educator and employer. In accordance with the Americans with DisabilitiesAct, this PowerPoint is available in alternative formats upon request. Direct requests to the Extension Store at 800-876-8636.

Questions?Robin [email protected]

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Grow A Rainbow - Extension · 4/9/2019 1 1 Grow A Rainbow Annual Flowers for Color and Purpose...

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