Havamsu
GARDEN / A VISUAL GUIDE
Practical growing ideas for the space you have.
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Look for #2 HDPE or #5 PP on the bottom of plastic pots. These inert polymers resist outdoor heat and sun. Avoid #3 PVC, #6 polystyrene, and unverified #7 plastics, which degrade or shed fragments into soil.
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Resin codes show base polymers, not chemical purity. Utility buckets often contain unverified mold-release chemicals or non-food dyes. Inspect container bases for an NSF certification, a cup-and-fork symbol, or explicit Food Safe labeling.
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Upcycle 5-gallon pails from bakeries or restaurants that previously held bulk ingredients like oil or frosting. Never reuse containers that stored paint, motor lubricants, or herbicides, because toxic residues absorb into plastic pores.
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Solid plastic walls prevent moisture evaporation. Drill four to six half-inch holes around the base perimeter plus several on the bottom. Placing holes slightly up the lower sidewall prevents flat sealing against smooth patio surfaces.
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Provide shallow greens 6 to 8 inches of depth, peppers 2 to 3 gallons, and tomatoes 5 gallons. Choose light-colored containers to reflect solar energy and prevent root temperatures from exceeding 100°F.
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