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We researched community gardens and garden design while planning our school community garden. We are sharing some of our learning here for any other gardeners.

Garden Box Materials

Wood

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Types

Redwood

Cedar

Cypress

Pros

Easy to move & disassemble

Beautiful

Natural material

Sturdy

Widely available

Biodegradable

Cons

Less durable

Susceptible to rot

Some wood has toxic chemicals

Susceptible to weather, soil damage and insects

Stone

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Types

Bricks

Concrete

Found Stones

Pros

Lasts forever

Weather-safe

No insects

Easy to find

Absorbs heat (good for cold climate)

Cons

Heavy

Potentially unstable

May get too hot (in hot climate)

Plastic

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Types

HDPE or other recycled materials

Pros

Lightweight

East to move

Rot Resistant

Light or dark colors adjust heat absorption

Easy to find

Cons

May wear down from sun exposure

May not hold up against heavy soil

Metal

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Types

All kinds: found, scrap, recycled, reused, galvanized steel

Pros

Strong

Won’t rot

 Possible ready-made shapes (metal stock tank)

May get for free

Weather resistant

Can be used for composite area

Cons

Sharp edges may be dangerous to children or animals

Rust

Can get too hot

Companion Planting

Soil Options

Soil
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Compost

Quantity: Mix of 1/3 compost 2/3 soil is ideal

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Variations: Can use manure, grass clippings, coffee grounds, cardboard, banana peels, worms, etc.

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Notes: Contact city or local zoo for possible free compost

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Mulch

Contact local tree service or city arborist for free or low cost mulch

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Soil

Quantity: 9' x 3' x 1.5' bed requires approx. 1.5 cubic yards of soil

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Variations: Loam (equal parts sand, silt and clay)

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Additional Nutrients / Fertilizers

Variations:

Nitrogen, phosphorus, potassium, calcium, magnesium, sulfur or fertilizers that use a balance of main nutrients

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Green Manure
(Cover Crops)

Variations: 

Legumes (such as peas), alfalfa, clover, beans, vetch

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These crops help improve soil for range of reasons

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Soil Preparation

Need to loosen soil, level it out, remove weeds and balance pH before starting

Watering

Watering Solutions

1.

Rain Barrel
  • One per garden bed or one to fill watering cans

2.

Drip Irrigation
  • Requires access to a garden spigot

  • There are kits available to purchase

3.

High-Rise Sprinkler
  • This option may work for multiple garden beds at once, but they will likely have to be closer together

4.

Raised Sprinkler Head
  • This option would require modifying the existing sprinkler system or access to a hose

  • Garden beds would need to be low and located near sprinklers

5.

Watering Stakes
  • Fill up a plastic bottle and attach it to a stake, insert stake in garden bed

  • Designed to work with recycled plastic bottles up to 2 liters

  • Average watering time is 7-14 days

6.

Watering Can
  • This could be a solution for the classes that will be tending the gardens, they can fill the cans before making their way to the garden

  • Size and material will depend on the age of the children who will be using it

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Tools

Tools and Supplies

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Propagating Kits

 

Purpose: Starting seeds indoors

Options:

  • Plastic cell packs / pots

  • Fiber grow tray/pots

  • Dome tray/freezer bags or plastic wrap can be plastic bags

  • Table top or shelve lighting stand

  • Heat mat

Notes:

  • There are several cost effective options available for kits

  • Lighting is a key component when starting seeds indoors as they require 14-16 hours of light per day

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Soil pH Testing Kit

 

Purpose: To know if the soil is acidic, alkaline or neutral

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Plant Labels

 

Purpose: Keep track of what you planted

Options:

  • Painted rocks

  • Decorated sticks

  • Repurposed silverware

Notes:

  • Potential art project 

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Garden Covers

 

Purpose: Protect against insects, cold, animals

Options:

  • Wood frame: stakes, sticks or boards

  • Plastic: PVC pipe or plastic boards

  • Metal: Poles, fences or tomato cages

Notes:

  • Differences have to do with your purpose (weather, insects, or animals)

  • Plastic and glass keep out animals, but also keep out pollinators

  • Mesh and netting let in water 

  • Other differences have to do with longevity, appearances and concerns listed in materials for building boxes section

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Compost Bins

 

Purpose: Collect organic waste for use a fertilizer in the garden

Options:

  • Tumblers

  • Stationary bins

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Shovels

 

Purpose: For turning soil

Options:

  • Handle materials (wood, metal)

Notes:

  • Multiple for many kids to work/use at once

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3-Pronged Hand Cultivators

 

Purpose: For weeding and cultivating soil

Options:

  • Materials (metal, wood)

Notes:

  • Multiple for many kids to work/use at once

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Gloves

 

Purpose: Protect your hands

Options: 

  • Rubber fingered gloves

  • Cloth

Notes:

  • Multiple for many kids to work/use at once

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Irrigation Equipment

 

Purpose: Water the garden

Options:

  • Hoses

  • Drip system

  • Sprinklers

  • Watering cans

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Wheelbarrow or Garden Cart

 

Purpose: For moving compost, plants, mulch

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String and Measuring Tape

 

Purpose: For measuring spacing between rows, beds, seeds

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Rake

 

Purpose: For smoothing soil, removing leaves

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Rain Barrel

 

Purpose: For collecting rainwater

Options:

  • Plastic

  • Home made from food grade plastic

  • Wooden

  • Pop-up polyester

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Storage Area or Container

 

Purpose: For storing tools

Options:

  • Storage box

  • Shed

Notes:

  • Set aside an accessible area inside or outside school depending on need

  • Purchase a storage shed/box that is accessible and can safely store tools

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Garden Trellis

 

Purpose: Supports for climbing vegetables

Options: 

  • Bamboo canes

  • Wire

  • Sticks

  • Recycled material

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Disinfectant

 

Purpose: To disinfect tools

Options:

  • Disinfectant wipes

  • Bleach solution

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Signs

 

Purpose: Help communicate with other gardeners

Options:

  • Hand drawn

  • Store bought

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Planting

Planting Guidelines

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Rutabaga

Rutabagas require a longer growing season, but need to mature in cool weather, so you should plant them from late May to early June for a fall crop. Plant seeds one to two inches apart in rows 18-30 inches apart.

Grows Well With

Avoid Planting With

Kale

Cabbage

Bean

Carrot

Peas

Planting Guidelines

Plant in early or mid-summer

Full sun

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Turnip

Plant turnips in an area that receives full sun (although they can also thrive in partial shade). Space your seeds about an inch apart and cover them with roughly half an inch of garden soil. Thin turnip seedlings. When seedlings emerge, thin your crop to one turnip every 4-6 inches.

Grows Well With

Avoid Planting Near

Beets

Carrots

Peas

Planting Guidelines

Plant in spring and early fall

Full sun, but will tolerate partial shade

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Beets

Sow beet seeds in rows 10cm (4inc) apart, with a row gap of 20cm (8in), or in blocks 15cm (6in) apart each way. Make a hole about 2cm (1in) deep with a dibber or your finger then drop the seed capsule in space wide rows 12-24 inches (30-61cm) apart.

Grows Well With

Avoid Planting Near

Pole beans

Field mustard

Charlock (Wild mustard)

Beans

Cabbage

Broccoli

Planting Guidelines

Plant in early spring, make successive plantings every 2-3 weeks until mid-summer

Full sun

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Carrots

Spacing between rows requirements are 16-24 inches. Plant with a space between plants of 1-3 inches at a depth of 1/2 inch, or thin carrot seedlings after they sprout. This is important, as if your carrots are crowded, they will not be able to grow straight and round!

Grows Well With

Avoid Planting Near

Coriander

Dill

Parsnips

Beans

Peas

Raddish

Cabbage

Chives

Lettuce

Onion

Leek

Peas

Rosemary

Sage

Tomatoes

Radis

Planting Guidelines

Plant in spring and summer

Full sun

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Cabbage

Cabbage is easy to transplant. Plant so that 1-2" of the main stem is burried. Space according to the directions on the label, generally 12-24 inches apart in a row, depending on the variety and size of the head it makes.

Grows Well With

Avoid Planting Near

Mustard plants

Strawberries

Tomatoes

Grapes

Pole beans

Beets

Carrots

Planting Guidelines

Plant in mid- to late summer

Full sun

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Broccoli

If starting seeds outdoors, sow seeds 1/2-inch deep and 3 inches apart. Once seedlings reach a height of 2-3 inches, thin them so that plants are 12-20 inches apart. If planted in rows, space rows 24 inches apart to give yourself enough room to walk between them, but you can plant 2-3 abreast in a row to minimize aisle space.

Grows Well With

Avoid Planting Near

Cabbage

Cauliflower

Lettuce

Pole beans

Tomatoes

Beets

Spinach

Cabbage

Planting Guidelines

Plant in spring or fall

Full sun

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Peas

Plant seeds 1 inch deep (slightly deeper if soil tends to dry out quickly) and about 2 inches apart. Plant in rows spaced 12-24 inches apart.

Grows Well With

Avoid Planting Near

Onions

Garlic

Chives

Beans

Carrots

Radish

Turnip

Planting Guidelines

Plant in spring

Full sun or partial sun

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Mesclun Mix

Try to space seeds about a half-inch apart. After sowing, cover seeds with about 1/4 inch of planting mix and pat the area gently to ensure good seed-to-soil contact. Water carefully with a fine spray so you don't dislodge or wash away the seeds. Keep the seed bed moist and seedlings will begin to sprout in a week or so. In rows 12 inches apart, sow seed directly in the ground 1/2 inch deep and cover with fine soil.

Grows Well With

Avoid Planting Near

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Beets

Carrots

Radishes

Spinach

Planting Guidelines

Plant in late summer or early fall

Full sun or partial sun

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Radish

Throw the seeds onto the ground and cover with barely half an inch of soil, then water and watch them grow. Radishes are always grown from seed directly into the soil where they will grow to maturity and do not need to be started indoors and then transplanted. Directly sow seeds outdoors 1/2 to 1 inch deep and 1 inch apart in rows 12 inches apart. Plant another round of seeds every 10 days or so - while weather is still cool - for a continuous harvest of radishes in the late spring and early summer. Plan on a fall planting. Sow radish seed 1/2 inch (12 mm) deep and 1 inch (2.5cm) apart; thin successful seedlings from 1-4 inches (2.5-10cm) apart in wide rows depending upon the variety. allow greater room for winter varieties. Space single rows or mounded ridges 10-16 inches (25-40cm) apart.

Grows Well With

Avoid Planting Near

Turnips

Peas

Planting Guidelines

Plant in spring and fall

Full sun

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Beans

Sow bush been seeds 1 inch deep and 2 inches apart in rows 18 inches apart. Plant a little deeper in sandy soils (but not too deep). For pole beans, set up trellises or tepees prior to planting so that the plants' fragile roots are not disturbed. Plant pole bean seeds about 1 inch deep and 3 inches apart. Sow bush bean seeds 1 inch deep and 2 inches apart in rows 18 inches apart. Plant a little deeper in sandy soils (but not too deep). For pole beans, set up trellises or tepees prior to planting so that the plants' fragile roots are not disturbed. plant pole bean seeds about 1 inch deep and 3 inches apart.

Grows Well With

Avoid Planting Near

Onions

Leeks

Garlic

Scallions

Beets

Carrots

Planting Guidelines

Plant in spring

Full sun

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Marigolds

Marigolds will grow in a wide range of soil types and conditions. all they really demand is plenty of sunlight. as long as you plant them in areas of full sun, they should be particularly yrouble-free plants. For best results, thin or transplant young marigolds while they are still small, spacing French and Signet types 8-10 inches apart. Larger American varieties should be at least 10-12 inches apart. Marigolds grown in containers can become a bit crowded.

Grows Well With

Avoid Planting Near

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Broccoli

Cabbage

Planting Guidelines

Plant in spring through midsummer

Full sun

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Spinach

Plan spinach seeds an inch apart in rows 14-18 inches apart and cover the seeds with a 1/2 inch of soil. Keep the soil moist and after the seeds germinate thin them to stand 2-5 inches apart. Most gardeners like to do this in several passes to determine the strongest plants to save.

Grows Well With

Avoid Planting Near

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Cabbage

Beans

Peas

Broccoli

Kale

Planting Guideliens

Plant in spring

Full sun

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Kale

Space kale 18-24 inches apart in an area with full sun and well-drained, fertile soil with a pH of 6.5 to 6.8. Improve native soil by mixing in several inches of aged compost or other rich organic matter. Kale is a fast grower, so keep the soil moist by giving it 1

Grows Well With

Avoid Planting Near

Strawberries

Tomatoes

Beets

Spinach

Peas

Radishes

Planting Guidelines

Plant in early spring or late summer

Full sun, but will tolerate partial shade

*Avoid planting near these plants because they are susceptible to the same disease or pests.

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* Avoid planting near these plants because they compete for the same nutrients in the soil.

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*Avoid planting near these plants because they stunt plant growth.

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*Items listed in red are not included in the list of seeds already purchased.

Layout

Garden Layout

 4 Kindergarten, 6 Primary (1-3grade), 4 Junior (4-6 grades) =10 classes total. There are 3 raised beds that are 3 x 9 feet with 6 feet between beds.  The number of plants that can fit per bed is limited by the 2 rows running on the 9-foot length. 

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References

References & Resources

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Garden Bed Materials

Galvanized Steel Garden Beds - How to guide

Garden Budget

Green Upside - Make your own labels

Green Upside - Garden Covers

Urban Gardening Supplies

Garden Resources, Tools and Materials

Compost Bins

Garden Trellis

Garden Trellis 2

OSC Seeds

Worm Compost

Sustain Ontario

Seeds in Canada

Composting Basics

Kids Gardening

Ontario Edible Education Network

Frost Dates in Ontario

Companion Planting Guide

Growing Vegetables

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Construction & Materials:

·       Lumber: Hardware Store, Local Lumber Store

·       Soil: Hardware Store, Local Nursery, local landscaping company

·       Composters: MRWMD, Seeds of Change

·       Vermicomposters (worm compost!): MRWMD, Hardware Stores, Nurseries

·       Season Extenders (like greenhouses): Local Nursery, Hardware Store 

Gardening Supplies (Catalogues/Websites):

·       Peaceful Valley Farm and Garden Supply Resources: tools, seeds, fertilizers           Contact: www.groworganic.com 

·       Seeds of Change

Resources: seeds, season extenders, tools Contact: www.seedsofchange.com 

·       Harmony Farm Supply; Contact: www.harmonyfarm.com 

Resources: tools, seeds:

·       Sunland Garden Products

·       Resources: soil, compost, (they sell to OSH) Contact: www.sunlandgarden.com

·       National supplier - Veseys: https://www.veseys.com

·       Seeds of Diversity: seeds.ca

·       Local Hardware store or Nursery

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