Someone offered me some 2L soda carriers years ago. I wasn’t sure what to do with them at the time but they’re used every spring now. While hardened off warm season annuals I can transport eight plants at a time. There’s also a 1/2 inch piece of conduit and rope through the middle for one hand carrying.
I reuse yogurt containers for bigger plants, the pots fit perfectly in the soda carrier. I bought some tomatoes in town last week, although the plants were pretty top heavy, the whole things didn't topple over during the ride.
Zone 6, 45 inches precipitation, hard clay soil
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