A perennial shrub in Zones 8-11, this lovely little plant makes a perfect houseplant no matter where you live. In its whole leaf form, Candy Stevia is 30 times sweeter than sugar!. Sweet Leaf is very low in calories, it is gaining popularity as a sugar substitute. Can be used in baking and to sweeten hot liquid such as coffee or tea just chewing a few leaves is sure to knock out the worst sugar craving! Potted.