But Mike Lizotte says a hardy bulb can stay in the ground all year.

VOA: special.2011.04.12

One basic kind of mum is the hardy or garden mum.

VOA: special.2010.06.29

These included Tom Swift, the Bobbsey Twins and the Hardy Boys.

VOA: special.2009.08.24

As host of this year's World Jatropha Summit, the government in Accra is seeking greater investment in the hardy plant whose seeds can be crushed into an oil that is processed into high-quality biodiesel.

VOA: standard.2009.08.23