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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

COLD FRAME & HOTBED
sa   PLANT COVER
x   HOTBED
xx   GARDENING
xx   GREENHOUSE

How to garden with a cold frame. Includes plans for building a frame.
AMERICANA Mar-Apr 1981 (v.9#1) pg. 28

A look at cold frames and hotbeds, what they can do and instructions for building a 3-ft.x5-ft.x6" unit.
BETTER HOMES & GARDENS Mar 1974 (v.52#3) pg. 34

Ideas on gardening fun for children. Included are: (1) using milk cartons and egg shells for planters, (2) making a terrarium in a jar, (3) growing mustard and watercress in a sponge, (4) growing alfalfa sprouts in a jar, (5) making salt-dough pots, (6) growing a "hanging forest" of sprouting carrots, parsnips, turnips and rutabagas, (7) growing plants from an onion, a potato and various nuts, pits and seeds, (8) making a jar that shows how a lima-bean seed grows, (9) building a mini-greenhouse (13"x19") from pine strips and clear plastic wrap, and (10) building a planter box that is hinged in the middle with glass inserts so that the box can be opened to show the roots.
BETTER HOMES & GARDENS Jan 1975 (v.53#1) pg. 64

How to build a "Grow Box" that can be used to raise seedlings, convert into a germination unit for sprouting seeds, or as a worm culture box for 100+ earthworms.
BETTER HOMES & GARDENS Mar 1978 (v.56#3) pg. 110

How to build a 36"x66" cold frame.
BETTER HOMES & GARDENS Sep 1980 (v.58#9) pg. 143

Vegetable garden season stretchers. A look at a variety of simple greenhouses, cloches, and cold frames which you can build or buy.
BETTER HOMES & GARDENS Apr 1982 (v.60#4) pg. 50

How to build a miniature greenhouse with a wooden base and a plastic top suspended over a wire frame.
BOYS' LIFE Apr 1973 (v.63#4) pg. 48

How to build a cold frame for vegetables.
BOYS' LIFE Sep 1976 (v.66#9) pg. 74

Frost-free flora. Get a head start on the growing season with this cold frame that incorporates a salvaged wooden window.
CANADIAN HOME WORKSHOP Mar 2000 (v.23#5) pg. 38

Roll-around greenhouse (cold frame). Unit is 48" long, 26" wide and 43" tall. Two windows at 45-degree angle open up to get inside. Storage shelf is under the planting area. Built of pine. Est. cost: $60.
CANADIAN WORKSHOP May 1980 (v.3#8) pg. 25

Gallery greenhouse. Small greenhouse (window box) clamps on to the railing of a balcony, etc. Est. cost: $45.
CANADIAN WORKSHOP Jun 1980 (v.3#9) pg. 18

Start your gardening early with a cold, or hot, frame. How to build and use one.
CANADIAN WORKSHOP Mar 1982 (v.5#6) pg. 23

Simple, portable, triple-decker sun box. Cold frame built from scrap lumber and an old wooden storm window.
COUNTRYSIDE Apr 1979 (v.63#4) pg. 29

How to construct a large, portable cold frame. PVC pipe frame, covered with polyethylene sheeting, is hinged to a base of 2x4s.
COUNTRYSIDE & SMALL STOCK JOURNAL May-Aug 1986 (v.70#4) pg. 87

Build a cold frame (72"x36") as a cheap alternative to a greenhouse.
COUNTRYSIDE & SMALL STOCK JOURNAL Mar-Apr 1991 (v.75#2) pg. 55

Alternatives for greenhouses. Tip on extending your vegetable growing season. Looks at crop selection, cold frame, row covers, hotbed, and simple greenhouses.
COUNTRYSIDE & SMALL STOCK JOURNAL Jan-Feb 1994 (v.78#1) pg. 31

Homebuilt solar food dryer does double duty as a cold frame in the spring.
COUNTRYSIDE & SMALL STOCK JOURNAL Jul-Aug 1999 (v.83#4) pg. 51

How to build and use simple, functional cold frames.
COUNTRYSIDE & SMALL STOCK JOURNAL Nov-Dec 2000 (v.84#6) pg. 62

How to build a cold frame that uses old window sashes. Also shows a simple take-apart unit that is designed to back up to a basement window.
FAMILY HANDYMAN #187 Feb 1978 (v.28#2) pg. 26

Tip: Use heavy foam packing containers to start seeds and plants.
FAMILY HANDYMAN #215 Jan 1981 (v.31#1) pg. 116

Tip: Use clear-plastic sweater boxes as miniature cold frames for starting seedlings.
FINE GARDENING #3 Sep-Oct 1988 pg. 6

Hotbed made from heating cable and rigid foil-faced insulation. Est. cost: $20.
FINE GARDENING #11 Jan-Feb 1990 pg. 6

Tips on using a cold frame for hardening off plants.
FINE GARDENING #17 Jan-Feb 1991 pg. 12

Tip describes making a hot bed from the foam crates used to ship grapes.
FINE GARDENING #18 Mar-Apr 1991 pg. 8

Cold frames, simple structures with a world of garden uses. How to use one to extend the growing season, for propagation, overwintering and forcing. Includes instructions for building a simple cold frame and on caring for the plants.
FINE GARDENING #21 Sep-Oct 1991 pg. 64

How to construct a small storage cabinet with a cold frame on top.
FINE GARDENING #23 Jan-Feb 1992 pg. 8

Tip shows how to build a planter and cold frame in the shape of a carpenter's tool box.
FINE GARDENING #30 Mar-Apr 1993 pg. 10

A hoop-house cold frame consists of a PVC "Quonset hut" framework covered with heavy plastic sheeting. May be disassembled for storage.
FINE GARDENING #36 Mar-Apr 1994 pg. 8

Stretch the growing season. Cold frames let you jump-start spring planting and winter over tender plants. Tips on siting, building and using a cold frame.
FINE GARDENING #40 Nov-Dec 1994 pg. 52

Tip tells how to make a temporary cold frame using hay bales and a glass-paned window.
FINE GARDENING #60 Mar-Apr 1998 pg. 10

Pattern for a simple cold frame.
FLOWER & GARDEN Aug-Sep 1981 (v.25#5) pg. 28

An outdoor hotbed uses an underground heat cable to raise lettuce throughout the winter.
FLOWER & GARDEN Aug-Sep 1983 (v.27#5) pg. 48

Tips on making a simple cold frame about 3-ft square. Includes a plastic cover for winter and a lath cover for shade during hot months.
FLOWER & GARDEN Aug-Sep 1984 (v.28#5) pg. 4

Real gardeners use cold frames. Tips on building and using cold frames.
FLOWER & GARDEN Oct-Nov 1984 (v.28#6) pg. 16

How to make and use a simple cold frame.
FLOWER & GARDEN Oct-Nov 1987 (v.31#6) pg. 44

Tip: Start perennials from seed in a simple, homemade cold frame.
FLOWER & GARDEN Aug-Sep 1988 (v.32#5) pg. 4

Simple cold frame is constructed from two plastic window well covers mounted to a strip of wood.
FLOWER & GARDEN Feb-Mar 1991 (v.35#1) pg. 16

Tips for cold frame growing.
FLOWER & GARDEN Feb-Mar 1991 (v.35#1) pg. 17

Techniques for extending the growing season in spring and fall through use of cold frames, cloches, and other devices.
FLOWER & GARDEN Dec 1993-Jan 1994 (v.37#6) pg. 16

Two portable cold frames. A simple version is made by nailing two plastic window-well covers to a hinged 2x4 frame. The second (61"x38"x24" high)is built from plywood with two Plexiglas panels.
GARDEN GATE #6 Dec 1995-Jan 1996 pg. 8

Simple cold frame is created from hay bales and an old storm window.
GARDEN GATE #12 Dec 1996 pg. 5

Simple plan for a cold frame that goes together quickly and also breaks down for storage.
GARDEN GATE #25 Feb 1999 pg. 5

How to build a cold frame for under $20 by using old aluminum storm windows.
HANDY ANDY Mar 1978 (v.2#6) pg. 72

Tip: How to build an adjustable cold-frame cover with slats that pivot to control the amount of sunlight that can get to sensitive cuttings.
HANDY ANDY Mar 1979 (v.3#6) pg. 8

Guidelines for gardening in the Yukon in growing boxes, giant wooden cold frames with plastic-covered sashes.
HARROWSMITH #18 Mar 1979 (v.3#6) pg. 48

The construction and use of a cold frame to extend the growing season for vegetables.
HARROWSMITH #62 Aug-Sep 1985 (v.10#2) pg. 84

Solar garden shed is built using pole construction. It includes room for a potting bench, large equipment and garden tool storage. A glazed southern wall provides light and heat and serves as a cold frame for the growing beds inside.
HARROWSMITH #66 Mar-Apr 1986 (v.10#6) pg. 78

Special raised bed under a cold frame allows tulips and other bulbs to grow farther north than they can normally be grown.
HARROWSMITH #69 Sep-Oct 1986 (v.11#3) pg. 19

Tip on constructing a warm box which provides gentle bottom heat to speed up seed germination.
HARROWSMITH #108 Mar-Apr 1993 (v.17#6) pg. 15

Tips on building a cold frame and using it to start or raise herbs.
HERB COMPANION Oct-Nov 1990 (v.3#1) pg. 9

Short seasons long harvests. Description of using underground heating mats to extend the growing season of herb gardens in far-northern climates.
HERB COMPANION Feb-Mar 1995 (v.7#3) pg. 60

Plant warmers. Tips on building a simple cold frame.
HOMEOWNER Nov 1990 (v.15#9) pg. 62

How to build a portable electrically heated cold frame.
HOMEOWNERS HOW TO Jan-Feb 1978 (v.3#1) pg. 40

How to build a combination cold frame and hot bed.
HOMEOWNERS HOW TO Mar-Apr 1980 (v.5#2) pg. 107

Tip: Convert a child's toy wagon into a portable hotbed.
HOMEOWNERS HOW TO May-Jun 1982 (v.7#3) pg. 7

Step-by-step guide to building a cold frame with an old window sash or storm window as a cover.
HORTICULTURE Jan 1993 (v.71#1) pg. 70
Added Info HORTICULTURE Apr 1993 (v.71#4) pg. 6

A case for cold frames. How to use them to extend the gardening season.
HORTICULTURE Aug-Sep 1993 (v.71#7) pg. 48

Salads in the snow. How to grow fresh greens in the winter by using polyester row cover, cold frames and a movable hoop house.
HORTICULTURE Feb 1998 (v.95#2) pg. 44

Tip shows how to make an adjustable lid-lifter for heavy cold frame lids.
KITCHEN GARDEN #1 Feb-Mar 1996 pg. 10

Gardening under glass. How a cold frame can give a 12-month growing season. Includes plans for a simple cold frame and tips on cold-tolerant crops.
KITCHEN GARDEN #4 Aug-Sep 1996 pg. 42

Tip shows how to make a cold frame from hay bales and an old window sash.
KITCHEN GARDEN #14 Apr-May 1998 pg. 18

How to install electric heating cable to warm a cold frame.
KITCHEN GARDENER #19 Feb-Mar 1999 pg. 22

Small tabletop hothouse uses a 25-watt electric bulb for heat.
MECHANIX ILLUSTRATED #440 Jan 1965 (v.61) pg. 102

Portable cold frame glazed with plastic. Frame is light, easy to move and shatterproof.
MECHANIX ILLUSTRATED #456 May 1966 (v.62) pg. 100

Easy-to-make cold frame is 28"x96"x15" deep. Top of frame is covered with corrugated Filon.
MECHANIX ILLUSTRATED #611 Apr 1979 (v.75) pg. 158

Hothouse is built from a simple wooden frame and corrugated fiberglass. Unit measures 8-ft. long. Collapses for storage. Est. cost: $50.
MECHANIX ILLUSTRATED #646 Mar 1982 (v.78) pg. 38

A quickie cold frame for early planting is made by bolting two window-well covers together.
MECHANIX ILLUSTRATED #658 Mar 1983 (v.79) pg. 120

How to build a seed incubator from a wooden box and two ceramic light fixtures.
MOTHER EARTH NEWS #50 Mar-Apr 1978 pg. 112

Tip shows how to build a cold frame using two recycled window sashes.
MOTHER EARTH NEWS #54 Nov-Dec 1978 pg. 82

Knockdown cold frame system can be used to build any size frame. Take apart for storage.
MOTHER EARTH NEWS #55 Jan-Feb 1979 pg. 54

Build a seed-starting solar cold frame. Made from wood and translucent corrugated fiberglass.
MOTHER EARTH NEWS #68 Mar-Apr 1981 pg. 88

Inexpensive, easy-to-build grow-frame allows a New Zealander to grow lettuce all year. Covered with 4" wide plastic strips.
MOTHER EARTH NEWS #73 Jan-Feb 1982 pg. 86

Inexpensive cold frame is made from polystyrene insulation board, plastic glazing and some miscellaneous wood and hardware.
MOTHER EARTH NEWS #74 Mar-Apr 1982 pg. 96

In praise of a patchwork garden. Tips on raising herbs and vegetables in small spaces. Includes plans for a cold frame.
MOTHER EARTH NEWS #81 May-Jun 1983 pg. 30

How to build and maintain a cold frame and a tunnel cloche.
MOTHER EARTH NEWS #95 Sep-Oct 1985 pg. 44

Deluxe, four-season cold frame. Use it for spring seedlings, summer lettuce, winter kale, etc.
MOTHER EARTH NEWS #120 Nov-Dec 1989 pg. 74

The greening of winter. Special section on growing fresh vegetables during the winter. Includes an improved miniature solar growing frame (plans must be ordered). Includes tips on what and when to plant.
NEW SHELTER Nov-Dec 1981 (v.2#9) pg. 21+

A 4x4-ft. raised-bed frame incorporates a removable trellis and removable cold frame to form a "modular gardening system". Est. cost: $60.
NEW SHELTER Jan 1983 (v.4#1) pg. 76

How to make cold frames for raised-bed salad vegetable gardens to extend the life of the garden for several weeks.
ORGANIC GARDENING Jan 1977 (v.24#1) pg. 178

How to construct a 2x3-ft. wooden sprouting box that is self watering.
ORGANIC GARDENING Dec 1977 (v.24#12) pg. 124

How to start vegetable seedlings indoors. Describes the benefits of a bottom-heated cold frame.
ORGANIC GARDENING Feb 1978 (v.25#2) pg. 72

How to turn an old tire into a cold frame.
ORGANIC GARDENING Feb 1978 (v.25#2) pg. 75

How to construct a double-layer cold frame from two layers of fiberglass.
ORGANIC GARDENING Mar 1978 (v.25#3) pg. 124

How to build a heat-storing cold frame with a back wall of rock.
ORGANIC GARDENING Mar 1978 (v.25#3) pg. 130

Gardening tips for raised bed gardens. Covers use of a polyethylene cover to increase the growing season, succession planting and composting.
ORGANIC GARDENING Apr 1978 (v.25#4) pg. 64

How to build a portable "Sun-Saver" from plywood and aluminum foil to provide even light distribution for seedlings and houseplants.
ORGANIC GARDENING Apr 1978 (v.25#4) pg. 142

How to make a variety of hotbeds so you can raise salad greens, even in snowy, sub-zero zones.
ORGANIC GARDENING Oct 1978 (v.25#10) pg. 50

Tip: Inexpensive cold frame is made from lengths of plastic pipe fitted over stakes in the ground. The arched pipes are covered with clear plastic.
ORGANIC GARDENING Feb 1979 (v.26#2) pg. 30

Tip: Homemade, solar-heated cold frame to build.
ORGANIC GARDENING Mar 1979 (v.26#3) pg. 24

Garden all winter with solar grow frames. A look at various styles and shapes.
ORGANIC GARDENING Aug 1979 (v.26#8) pg. 59

How to grow salad vegetables thru the winter in solar-heated cold frames.
ORGANIC GARDENING Nov 1980 (v.27#11) pg. 58

Tip: Plan for a cold frame made from discarded window sash.
ORGANIC GARDENING Jan 1981 (v.28#1) pg. 22

Build a cold frame from a half sheet of plywood and an old glass window.
ORGANIC GARDENING Jan 1981 (v.28#1) pg. 83

Tip: Make a seed-starting greenhouse from a two-liter plastic soda bottle.
ORGANIC GARDENING Feb 1981 (v.28#2) pg. 22

Tip: Build miniature greenhouses from old wood-frame windows.
ORGANIC GARDENING Apr 1981 (v.28#4) pg. 19

The solar salad bed. How to build and use a solar cold frame to raise lettuce during the winter.
ORGANIC GARDENING Oct 1981 (v.28#10) pg. 38

Product testing: Sun-powered ventilation for plants under glass. What is available in automatic vent openers for cold frames and greenhouses.
ORGANIC GARDENING Nov 1981 (v.28#11) pg. 62

Tip: Temporary cold frames in your garden made from bales of hay and some plastic.
ORGANIC GARDENING Dec 1981 (v.28#12) pg. 20

The complete winter salad. Use cold frames to raise salad vegetables throughout the winter.
ORGANIC GARDENING Dec 1981 (v.28#12) pg. 40

Grow early vegetables under these double cold frames designed by the French. Includes plans for building your own 2x4-ft. modules that are light and maneuverable. Est. cost: $10.
ORGANIC GARDENING Feb 1982 (v.29#2) pg. 106, 112

Tip: Make a self-watering cold frame for seedlings by digging a trench in the ground, lining with gravel, installing strips of old jeans to provide water and covering with an old window.
ORGANIC GARDENING Apr 1982 (v.29#4) pg. 15

Tip: Temporary cold frame made from styrofoam.
ORGANIC GARDENING Apr 1982 (v.29#4) pg. 16

Tip: Simple cold frame made from two sawhorses and plastic sheeting.
ORGANIC GARDENING Oct 1982 (v.29#10) pg. 18

Tip: An old venetian blind gives controllable shade to a cold frame.
ORGANIC GARDENING Mar 1983 (v.30#3) pg. 24

Hay bales and old storm windows are used to assemble a simple mini-greenhouse for starting plants.
ORGANIC GARDENING Feb 1984 (v.31#2) pg. 34

Tips on making double cold frames from old windows.
ORGANIC GARDENING Aug 1984 (v.31#8) pg. 44

Double-vented cold frame lets hot air escape.
ORGANIC GARDENING Feb 1985 (v.32#2) pg. 22

Lath screen doubles as a cold frame.
ORGANIC GARDENING Mar 1985 (v.32#3) pg. 21

Ideas on manure-heated hotbeds.
ORGANIC GARDENING Mar 1985 (v.32#3) pg. 60

How to build a solar-heat-absorbing door for your outside stairwell to the basement. Allows the steps to double as a cold frame.
ORGANIC GARDENING May 1985 (v.32#5) pg. 92

Garden trailer becomes a temporary, mobile cold frame.
ORGANIC GARDENING Jun 1985 (v.32#6) pg. 19

Tip: Inner lid of foam insulation allows greens to be raised all winter in a cold frame.
ORGANIC GARDENING Jan 1986 (v.33#1) pg. 26

Sketch shows how to make a collapsible cold frame.
ORGANIC GARDENING Aug 1986 (v.33#8) pg. 22

How to grow salad plants in a cold frame throughout the winter. Covers site selection, soil, choice of crops, methods for protection against intense cold and harvest information.
ORGANIC GARDENING Sep 1988 (v.35#9) pg. 52

Easy and inexpensive cold frame to build using a reclaimed window sash.
ORGANIC GARDENING Sep 1988 (v.35#9) pg. 75
Added Info ORGANIC GARDENING Nov 1988 (v.35#11) pg. 6

Tip: Make a portable cold frame from a pallet. A-frame design is covered with heavy-duty plastic.
ORGANIC GARDENING Oct 1988 (v.35#10) pg. 82

Tip: Make water-walls (plant insulators) from discarded gallon jugs.
ORGANIC GARDENING Sep 1989 (v.36#8) pg. 71

Trench "greenhouse" growing technique lets you harvest warm-season crops 10 to 20 days earlier or extend the growing season in cooler climates.
ORGANIC GARDENING Mar 1990 (v.37#3) pg. 24

Preparing an old-fashioned hotbed that uses fresh manure to provide supplemental heat.
ORGANIC GARDENING Sep-Oct 1990 (v.37#7) pg. 79

Tip shows how to build a cold-frame cover from an artists' canvas stretcher.
ORGANIC GARDENING Nov 1992 (v.39#8) pg. 70

How to build a raised bed with a plastic-covered tunnel or hoop house. Est. cost: $40.
ORGANIC GARDENING Nov 1994 (v.41#8) pg. 30

How to make cold frames. Offers information on using recycled materials, temporary and permanent structures, site selection and venting.
ORGANIC GARDENING Nov 1994 (v.41#8) pg. 42

Tip on installing a cold frame in front of a basement window to supply heated air from the basement.
ORGANIC GARDENING Feb 1995 (v.42#2) pg. 71

Plant with early season extenders. A guide to hot caps, walls o'water, grow domes, cold frames, plastic tunnels and row covers.
ORGANIC GARDENING Feb 1996 (v.43#2) pg. 67

Double-duty compost. Mini-hothouses created from nursery pots, wire and plastic bags are placed in a compost pile which helps warm the soil in the pot.
ORGANIC GARDENING Feb 1996 (v.43#2) pg. 78

Mobile cold frame (20"x50") is built from 1x8s and an old storm window.
ORGANIC GARDENING Mar 1996 (v.43#3) pg. 98

Fiberglass cold frame acts as a solar-heated greenhouse. Sides are 16" high, 68" long, and 73" wide. Peaked, hinged roof panels are easily raised for access and ventilation. Designed to come apart in easy-to-store sections.
POPULAR MECHANICS Mar 1969 (v.131#3) pg. 164

Six styles of cold frames you can build yourself.
POPULAR MECHANICS Mar 1976 (v.145#3) pg. 93

How to make a cold frame, a hot bed and a cloche to get your seeds started early. Units use translucent corrugated fiberglass instead of glass.
POPULAR MECHANICS Mar 1978 (v.149#3) pg. 152

Extend your growing season with this portable hotbed. It features an automatic solar-powered vent system. Covers a 33"x76" area.
POPULAR MECHANICS Aug 1978 (v.150#2) pg. 92

8 garden aids for a bountiful harvest. (1) Vertical fence planter. (2) Cold frame/solar dryer. (3) Raised-brick planting bed. (4) Horizontal tomato cage. (5) Cucumber trellis. (6) Raspberry supports. (7) Tomato ladder. (8) Pole bean trellis.
POPULAR MECHANICS Mar 1984 (v.161#3) pg. 112

How to make a castered hotbed/greenhouse. One of 12 winning designs from the PS/APA Single-Sheet Plywood Project contest.
POPULAR SCIENCE Aug 1977 (v.211#2) pg. 107

Mini greenhouse for starting seedlings. Includes an automatic watering system. Ends of the unit open for ventilation and cover folds back completely for easy access. Holds three 20"x31" flats. Overall measurements are 35" wide, 72" long and 32" high.
POPULAR SCIENCE Mar 1979 (v.214#3) pg. 126

4-in-1 backyard center features a cold frame, potting table, barbecue area and storage shed. Constructed of exterior plywood. Plans must be ordered.
POPULAR SCIENCE Jun 1981 (v.218#6) pg. 98

Learn-by-doing growing box has a bottom section for compost and earthworms. Above that is a sprouting tray for seeds, topped with a box for growing plants. The A-frame cover has slots for acrylic plastic or lath panels.
SUNSET Oct 1979 (v.163#4) pg. 246

Simple cold frame is made from notched 2x6's (for easy setup and takedown) and some clear plastic sheeting.
SUNSET Mar 1982 (v.168#3) pg. 246

Build a simple wood-and-Plexiglas hot box to start seeds or cuttings. The secret is the electric temperature controlled mat installed in the box.
SUNSET Dec 1982 (v.169#6) pg. 194

Tip: Use a retaining wall as one side of a cold frame.
SUNSET Mar 1988 (v.180#3) pg. 210

Portable cold frame folds flat for storage. Built from a half-sheet of exterior plywood and clear acrylic.
WOOD MAGAZINE #121 Feb 2000 (v.17#1) pg. 50
Correction WOOD MAGAZINE #124 May-Jun 2000 (v.17#4) pg. 6

Propagating frame is a miniture greenhouse, covered with plastic film, and provided with a means of ventilation and heating.
WOODWORKER #1028 Jul 1979 (v.83) pg. 400

Early starter. A simple-to-make propagator (cold frame). A wooden framework is glazed on the top and four sides with clear plastic.
WOODWORKER Jun 1988 (v.92#6) pg. 516

Cold-frame gardening. How to build a pit-style cold frame from concrete blocks and a window sash.
WORKBASKET Aug-Sep 1991 (v.56#6) pg. 62

Portable cold frame. A 24"x40" cold frame with storage shelf underneath is mounted on two wheels for easy moving to follow sun or protect from frost.
WORKBENCH Mar-Apr 1967 (v.23#2) pg. 52

Convert a basement window well into a cold frame or hotbed.
WORKBENCH Mar-Apr 1969 (v.25#2) pg. 61

Convert an existing outdoor planter box to a small greenhouse by covering it with fiberglass screening or plastic film stretched over a simple wooden framework.
WORKBENCH May-Jun 1977 (v.33#3) pg. 30

Pattern for a simple cold frame.
WORKBENCH May-Jun 1979 (v.35#3) pg. 38

Roll-around cold frame can follow the sun and be rolled into a garage during periods of frost.
WORKBENCH Mar-Apr 1980 (v.36#2) pg. 46