hardier

Some of the 'hardier' plants close up their stomatal pores when ozone levels increase.

unknown title 2009

Some of the 'hardier' plants close up their stomatal pores when ozone levels increase.

unknown title 2009

So here's an indoor festival for dance music fans, with the added bonus of an outdoor stage, barbeque and fire show round the back for hardier souls who don't mind a bit of dirt and daylight.

Clubs picks of the week 2011

The task force says it wants hardier venting systems.

Task Force Urges Haste on Nuclear-Safety Measures Rebecca Smith 2011

Meanwhile, the rosemary is doing just fine now, and the hardier looking specimens have their permanent home, where they're definitely thriving.

From Twitter 07-13-2009 2009

The English variety is an indicator of ancient woodland in Britain, and should not be confused with its hardier Spanish cousin, introduced to these shores in 1860.

The power of spring flowers 2011

Seed companies have bred and modified the plants genetically in a process that has resulted in hardier plants.

Corn Seed Shortage Sows Farm Belt Woes Ian Berry 2012

One reason is "survivor bias"—having survived not only the bombings but homelessness, hunger and a typhoon in the immediate aftermath, the subjects may be a hardier lot than the Japanese population at large.

Coal Is More Dangerous Than Nuclear Jr. Holman W. Jenkins 2011

Also, coffee plants are hardier than opium poppies.

Illegal Crop Is Swapped for Legal One in Mexico Jean Guerrero 2011

ComEd says it has a plan for making its electric system hardier—and at first it got the Legislature to buy in.

Power-Upgrade Plans Spark Illinois Storm Rebecca Smith 2011