“Terrarium ecosystems really can go the distance if you balance everything perfectly,” Mr. Jones said. “There are terrariums out there that have been sealed up for over 50 years and are ...

Do try terrarium-friendly plants, including ferns, mosses, baby tears, selaginella, miniature African violets and small-leaf begonias. Do seek dwarf species and small-scale plants.

Several lines of small-scale, oddly shaped glass containers, designed specifically for 21 {+s} {+t}-century terrariums, are sold at garden and interiors retailers, as well as online.

Dan Jones is creating a rainforest in his apartment in Newcastle-upon-Tyne, England. Though there are more than a dozen plants of varying texture, scale, appearance and color, the rainforest is ...

Terrariums are experiencing a social media-fuelled revival, but as David Robson and Alessia Franco discover, there's far more to these tiny glass gardens than first appears.