The most notable feature of Mestoklema is its thick rootstock. This species is popular with bonsai enthusiasts. It endures temperatures several degrees below freezing without complaint.
To obtain a beautiful bonsai, grow the plant with the tuberous roots underground for a few years. When the tubers are of adequate size it will be possible to lift the plant, in this way the fat roots will take on the characteristic caudiciform appearance giving the plant the appearance of a bonsai.