Look for clumping types that won't sneak under the fence and irritate neighbors.
From the chron.com
As they are alpine strawberries, they multiply by clumping rather than runners.
From the sfgate.com
But this dark matter clumping process had never been confirmed observationally.
From the newscientist.com
Stirring a wet caramel encourages these crystals to hook up-and cause clumping.
From the guardian.co.uk
Offstage there are battles, mob scenes and the endless clumping of Roman legions.
From the time.com
Gradually add the cornstarch in small amounts while whisking to prevent clumping.
From the sacbee.com
If you detect moisture or clumping, shake the pillows out and continue drying.
From the kansas.com
A veterinarian can recommend a supplement that can prevent hair from clumping.
From the sacbee.com
The clumping habit helps hold the mussels firm against the force of the waves.
From the en.wikipedia.org
More examples
Bunch: a grouping of a number of similar things; "a bunch of trees"; "a cluster of admirers"
Clop: make or move along with a sound as of a horse's hooves striking the ground
Ball: a compact mass; "a ball of mud caught him on the shoulder"
Cluster: come together as in a cluster or flock; "The poets constellate in this town every summer"
Thump: a heavy dull sound (as made by impact of heavy objects)
Walk clumsily
Bunch: gather or cause to gather into a cluster; "She bunched her fingers into a fist"
(clumping) clip-clop: the sound of a horse's hoofs hitting on a hard surface
(Clumping (biology)) In zoology, sessility is a characteristic of animals which are not able to move about. They are usually permanently attached to a solid substrate of some kind, such as a rock, or the hull of a ship in the case of barnacles. Corals lay down their own substrate.