northern ri conservation district red planet vegetables
TRANSCRIPT
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Northern RI Conservation District
Extending the Growing Season
Red Planet Vegetables
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Some Key Terms to Remember…Growing Season: The part of the year where temperature and rainfall allow plants to grow. For the purposes of this workshop, growing season refers to frost-free days.
Hardiness Zone: Geographically defined area where certain plants are capable of growing
Climate: The weather conditions of a certain area over a long period
Microclimate: The climate within a small, specific space as contrasted with the climate of the surrounding area (i.e.. the area in close proximity around a plant or row of plants).
Days to Maturity: The number of days between planting a seed and the harvest of that crop.
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•May 8th- October 3rd
•Plant Hardiness Zone 6•147 frost-free days in 2011•120 days with a minimum temperature of 32 degrees and below (on average)
The “Typical” Rhode Island Growing Season
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Don’t settle for the “typical” Rhode Island Growing Season…
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Extend the Season: Grow and Harvest Vegetables All Year!•Grow summer crops that can be harvested through the late fall•Grow hardy crops that can be harvested all winter in altered microclimates•Plant crops later that will be ready to harvest in the springIt’s all about PLANNING, CREATING
MICROCLIMATES, CHOOSING THE RIGHT PLANTS
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•What do you want to get out of your garden?•Do you want to keep it going through the fall and save what’s already growing?•Do you want to harvest all winter?•Where will the garden be located?•What crops do you want to plant?•Do you need to create a protected microclimate?•Make a map!
Planning
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Site Selection•Soil quality•Well-drained soils•Avoid areas of excessive runoff•South-facing areas to maximize sunlight•North-South or East-West?
•Location that won’t be shaded when the sun is lower in the sky in winter•Wind protection•Access•Frost Pockets?•Protected microclimate?
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Unique Challenges of Winter
•REALLY cold•REALLY windy
•Can be extreme- stay
warm•It’s Rough out there!!!
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Choosing the Right Plants To extend your summer garden well into the fall, plant later in the season•Plant early-maturing plants (30 days to maturity) in mid- SeptemberChivesBunching OnionsRadishesEarly CarrotsAsian GreensCilantro
Pea GreensBroccoli RaabLeaf LettucesMustard Spinach*Great time to plant
Lawn Seed!
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Choosing the Right Plants•Plant mid-season maturing plants (60 days to maturity) in mid- August
Early CarrotLeeksTurnipKohl RabiEarly Cabbage
Winter CauliflowerCollard GreensPerennial Flowers
Perennial HerbsSwiss ChardArugula!Broccoli
Mustard Greens
•Plant late-season maturing plants (90 days to maturity) in mid- July
BeetsCarrotsParsnipGlobe Onions
Brussels SproutsCabbagesCauliflowerFava Beans
*Give yourself 5-10 extra days to maturity when planting later in the season
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Choosing the Right PlantsSelect plants that are winter hardy and thrive in the cold and adjusted microclimates for your winter garden:
Salad GreensSpinachCarrotsLeeksTurnipParsnip
KaleBrussels SproutsBroccoliCollard GreensSwiss ChardLettuce
Mustard Greens
When directly seeded in fall, these plants can over-winter outside. If they germinate and grow quickly, they may be killed by the cold.
* Days to maturity is greatly increased due to winter climates, even in protected microclimates
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Planting and Harvesting Schedule Plan when you want to harvest the crops that you want to grow and plant accordingly
Succession Plantings
Plan your season now using readily available tools on the internet
Planting Date Calculator Harvesting Date Calculator
Succession Planting(see NRICD.org for links)
Keep records! Save seed packets with notes!Learn from trial and error!Every year is different!Don’t get discouraged!
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MicroclimatesA microclimate is small, but distinctly different climate within the greater area that surrounds itNot just increasing the temperature!
•Using south-facing slopes•Protection from the wind using hedgerows and shrubs & snow fence•Planting in raised beds•Using mulch to protect roots and shoots•Planting along stone walls to trap ambient heat•Using other methods to increase plant temperature, increase sun exposure, protect from wind, and maintain moisture
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Tools for Altering Microclimates:Mulching and Raised Beds
•Mulching using leaves or wood chips to protect plants•Using raised beds to increase soil temperature•Amending the soil with compost: thermal decay of highly organic soil•Use hay to cover leeks and carrots
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Row Covers
•Using Row covers for added protection from the elements•Also protect crops from insects and other pests•Use spun-bonded, lightweight fabrics for best results
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Cold Frames•Grow at summer speed through November, then plants semi-hibernate•Equivalent of moving plants 1 ½ USDA zones south•Must ventilate when inner temperature is around 70 degrees, or after March 1st.
Make with recycled materials that you already have, such as old windows, plastic sheets and wood!
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Hoop Houses/Low Tunnels
•Generally under 6 feet tall•Can use plastic or metal to make hoops•Cover with spun-bound fabric or UV resistant plastic dependant on need•Fully secure in areas with lots of snow using sandbags and tie-downs
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Hoop Houses/High Tunnels
•Mainly unheated, non-mechanically ventilated, generally greater than 6 feet tall•Sold as kits, plant directly in the ground•Unheated, 6-7 degrees warmer than outside•Funding may be available for extending your growing season using High Tunnels through NRCS
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Greenhouses•Permanent structures•Usually heated•Many times has a concrete floor•Maintain summer growing conditions year-round•Expensive to maintain!
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Combinations
•Use any combination of row covers, low tunnels and high tunnels.•Can be equivalent of moving plants 3 USDA zones warmer
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Other Considerations•Soil health and fertility
• Don’t Guess! Soil Test!
•Availability of water
•Availability of electricity
•Availability of materials
•Ventilation
•Enough light
•Budget
•Time
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Questions?
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Reference•For more information, please refer to the Northern RI Conservation District website at:
www.NRICD.org
You will find a list of reference materials including:BooksLinks to WebsitesThis PowerPoint
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Thank You!For More Information:
Kate Sayles, Northern RI Conservation District(401) [email protected]
Justin Tuthill, USDA-NRCS(401)[email protected]
Matt Tracy, Red Planet [email protected]