I think Graybush will be doing the gardening from now on

And his neighbours, complete strangers, random drive-bys...

Flower grenade: throw and grow.

Gardening’s gone guerilla - You’ve seen them, you may have looked away, but you’ve seen them. Those forgotten areas of the estate, left to fall apart and fall into disrepair. The municipal scrubland where nothing can grow... Or can it? Turn the concrete jungle into a wilderness with our compacted wild flower seed grenades.

Via Nerd Approved.