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The Five-Minute Greenhouse


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Have fun learning botany and recycling at the same time! Plant propagation is simple when you create a working greenhouse in just five minutes. Plant a seed or a cutting of a native plant on the spot and take it home (everything provided). Not only will you help the environment, you\'ll learn what makes you just like a commercial greenhouse! The Five-Minute Greenhouse received rave reviews from kids of all ages when it was presented to 60+ first graders at Wolfle Elementary School, Kingston WA, and 90+ members of the Flotsam and Jetsam Garden Club, Hansville WA

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The Five-Minute Greenhouse

  1. 1. The Five-Minute Greenhouse as presented at Northwest Flower and Garden Show’s Sproutopia – February 21 & 22, 2009 by Susan L. Harrington, CEO (chief education officer) Labyrinth Hill Lavender Cuttings planted: Cornus stolonifera baileyi Redtwig Dogwood, Red Osier Dogwood Suggestions for other cuttings easy to propagate: Rosemary Lavandula x intermedia ‘Grosso’ - Lavender Escallonia This is also a great project for starting seeds and watching the roots appear at the sides of the bottle.
  2. 2. Susan Harrington Teaches Children of all Ages How to Make a Five-Minute Greenhouse! <ul><li>Northwest Flower & Garden Show </li></ul>Cyle Eldred, Show Manager Cyle Eldred, Show Manager Northwest Flower & Garden Show
  3. 3. The Five-Minute Greenhouse <ul><li>Ah, yes, another “Spawn of Insomnia.” It was my first plant clinic as a Master Gardener and opening day of my garden club’s annual plant sale. I knew there would be children accompanying parents. Ah Ha! Teach them botany and recycling at the same time. </li></ul><ul><li>Materials List: </li></ul><ul><ul><li>Small water bottle </li></ul></ul><ul><ul><li>Scissors </li></ul></ul><ul><ul><li>Tape </li></ul></ul><ul><ul><li>Plastic bread tab </li></ul></ul><ul><ul><li>4&quot; to 6&quot; cuttings </li></ul></ul><ul><ul><ul><li>Remove the leaves from the bottom half of the stems </li></ul></ul></ul>
  4. 4. Recycling in Action <ul><li>With scissors cut around the bottle 5” from the bottom, leaving a hinge of approximately 1”-2”. </li></ul><ul><li>Poke 5-6 holes in the bottom for drainage. </li></ul><ul><li>Add 3”-4” of moist, not wet, mix: Potting Soil or 1:1:1 Sand:Peat:Perlite or half Sand and half Perlite </li></ul><ul><li>Stick 4 cuttings in the planting mix </li></ul><ul><li>The latch is a piece of tape with a bread tab attached at the end (it opens and closes easily). </li></ul><ul><li>Check the soil weekly for moisture though there should be no need to add water except perhaps a few drops. </li></ul><ul><li>When you see the roots through the clear sides, it’s time to pot up your new plants in pots 2” larger or directly in the garden. </li></ul><ul><li>I’ve seen roots as early as 4 weeks later with the bottle…I mean greenhouse… sitting in a bright but not direct sunlight west-facing window. </li></ul>
  5. 5. Master Gardeners at Flotsam and Jetsam Garden Club Plant Sale, Hansville WA
  6. 6. Carbon Dioxide and Greenhouses <ul><li>Here’s the best part about your Five-Minute Greenhouse: </li></ul><ul><ul><li>Oxygen-breathing life forms exhale carbon dioxide (Co2). Plants take in Co2 during photosynthesis and give off or “exhale” oxygen. This process is referred to as the carbon dioxide-oxygen cycle. </li></ul></ul><ul><ul><li>Commercial greenhouses “fertilize” the air with additional carbon dioxide to speed up plant growth and improve plant quality. Vegetable production can be boosted by 25% to 100%, flower production up to 35% with one to two weeks cut from the growing schedule utilizing Co2 generators. </li></ul></ul><ul><ul><li>You are a Co2 generator. </li></ul></ul><ul><ul><li>Every morning open the lid of your greenhouse and gently blow into the bottle. (Just don’t let your neighbors see you doing this…they might begin to talk!) </li></ul></ul><ul><li>My favorite Assistant Lavender Wrangler actually gave mouth-to-mouth resuscitation to a tree seedling. When he saw that it had fainted, he blew into a cottage cheese carton and upended it over the seedling. Twenty minutes later it had revived! </li></ul>
  7. 7. Wolfle Elementary School, Kingston WA
  8. 8. Contact Information Labyrinth Hill Growing Fragrant Lavender in a Classic Labyrinth Susan L. Harrington [email_address] PO Box 448 Hansville, WA 98340 360.638.2642 to receive a free monthly newsletter Of Labyrinths and Lavender Visit the Web site Or send an e-mail