Before you start thinking that such an item is outside of your budget, consider this popular portable greenhouse from Amazon ...

The Miracle Grow All-Season Greenhouse is on sale for $47 right now at Amazon. It’s made of a durable steel frame that won’t ...

A plastic-covered frame full of lawnmowers and water ... remember to paint it first since the off-gassing of the PVC will degrade your greenhouse film and eventually cause it to fail.