Cold Frame, Hoop House, Green House - What’s Right for my Garden; Gardening Guidebook for Lewis County, Washington

8/9/2019 Cold Frame, Hoop House, Green House - What’s Right for my Garden; Gardening Guidebook for Lewis County, Washington

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Cold frame, Hoop House, Green House

Oh my -

What’s right for my garden?

by

Bob & MaryAnn Albenesius

All wrapped up in gardening


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What’s best for my needs?


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What are the goals? Do you want to garden year

around?

Does your mouth water for home grown oranges & bananas?

Do you want to be the 1st on theblock to have a tomato

Maybe you just want a little

more heat out of our summer to grow a sweet potato orcantaloupe

Depending on what you want – any of these things are possible.

How much work are you willingto do?

How much money do you plan toinvest?

How many are you going to feed?

How much space do you have towork with?


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All kinds of options available


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Cheapest greenhouse available!

Perfect place to startexperimenting

start your own seeds

Larger selections of varieties available

Plants when you wantthem – in the plant world,timing is everything


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Vermont cranberry beans –

1 packet @ $2.75 = 4 lbs vs. $8.95 = 1 lb


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Starting your own seed

Space Large enough to hold a seed tray

Consistent temp Generally around 70

Light Once the seeds sprout

Moisture Don’t allow the medium to dry

out Sterile seed starting mix


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Don’t want to play out in the cold and wet? Start plants inside

Don’t need fancy lights

Don’t need fancy shelves

Just need seed starting mix andmoisture

Most seeds just need aconsistent temp of about 70 for

germination Don’t need light until plants

emerge


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Grow lights/shelf system Commercial system

Can do the same thing

On a window sill

Fluorescent light


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Now is the time

If you want to start your own tomatoes

To transplant to thegarden in late May startthem by the end ofFebruary

Soil temp 55


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Tomato transplant


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Take your time – give the plants a

chance to acclimate4” pot Almost ready for 1 gallon pot


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Once you have your seedlings –

then what? Into a cold frame

Under a frost blanket

Floating row cover Under a low tunnel


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Not just tomatoes - You can sow any veggie

seeds that will go outsideinto a cold frame, under

cloches, low tunnels orgreen house

Lettuce

Cauliflower

Peas

Cabbage

Broccoli


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Cold frames


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Cold frames They can be plain or

fancy

Require good sunexposure

Ventilation when thetemp rises above 50

Source of water

Generally used as a“transplant” nursery


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A Maine cold frame(Johnny’s seeds)


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Cold frame with frost blanket


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Our lettuce


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Straw bale cold frame –

used as a pot


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Cold frame facts They are most suited to

“cool season” crops

Cabbage, broccoli,lettuce, spinach

Not heat lovers

Need to be able to ventilate over 50

Need water source

Thermometer is handy


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There are alternatives . . .


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Low tunnels – provides protection for those things planted directly in the ground

Usually some type of spunpolyester Grow guard -85% light, 27

degrees, 0.6oz/sq yd

Reemay – 75% light, 30degrees, 0.6oz/sq yd Agribon – 70% light; 0.9 oz/sq

yd Frost blanket – 24 degrees,

50% light, 1.5oz/sq yd ***on &

off Summer insect barrier – 90%

light, 0.4oz/sq yd Grow therm – clear plastic –

increase temp by 10 degrees


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Low tunnels – floating row covers – your

option - as to how to use them


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You need something to

secure the fabric


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Low tunnels

Our garden – leeks

and winter Colecrops under cover


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“Grow-therm”

G h l b d


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Grow-therm can also be used on

sweet potatoes


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What to plant for winter

enjoymentOctober -

These plants were started inlate July and covered in mid

September

Cabbage

Broccoli

cauliflower

Lettuce Spinach


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Broccoli & cabbage lovers


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Hoop house


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Hoop house

interior

This one is set up fortomatoes –

but can be used for anyheat lover


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Clark County – Master Gardeners


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All sizes, dimensions

–multiple uses Closed in . . . or not

ots o resources ava a e


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ots o resources ava a e


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Pop bottle green house


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Lot’s of commercial varieties available


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Recycled windows . . . .

Corrugated panels . . .


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Big or little


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Some important things to remember

Water source

Ventilation

Shade Close enough to be

useful

Fits your needs

Accommodates the way you work


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Our green house . . . before


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& after


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Green houses are not without their

challenges Controlling the

greenhouse environment

Too hot Too cold

Too much sun

humidity

Common pests &diseases

Spider mites Whitefly

Damping off

Mold

Powdery mildew


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Why you need

shade & ventilation

This was taken 1/27/12 @11:30

The temp on our outside

thermometer was 25 that

morning,by 11:30 it had gotten up to35 &

the frost was melting . . .

But in the green house

84


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Shade cloth

Available in

30%

40%

50%

62%


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Shade cloth


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Green house heat 35 -45 a “holding place”

45 -55 can actively growcool season crops

55-60 can propagate,grow cukes, beans,strawberries,mushrooms

65 – 75 can grow all heatloving vegetables &tropicals


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Questions?

Thank you


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WSU Lewis County Extension

Master Gardeners351 NW North Street

Chehalis WA 98532

(360) 740-1212

http://lewis-mg-mrc.org

WSU Extension programs and employment are available to all without discrimination. Evidence of

noncompliance may be reported through your local WSU Extension office.

Documents

Cold Frame, Hoop House, Green House - What’s Right for my Garden; Gardening Guidebook for Lewis County, Washington