What happens if I touch the ground to improve my ball's position on the green?

You can touch the ground on the putting green to remove sand, loose soil, or repair damage like ball marks and spike marks without penalty. But if you go further — like smoothing a path to the hole or using an unauthorized tool — you get the general penalty of two strokes for improving conditions affecting your stroke.

What you're allowed to do on the green

Rule 13.1c lets you clean up the putting green without penalty. You can brush away sand and loose soil with your hand or a club. You can also fix damage — ball marks, old hole plugs, spike marks, animal tracks, embedded stones — using your hand, foot, ball-mark repair tool, tee, or club. The key is you're restoring the green to its original condition, not making it better than it was.

Where the line gets crossed

If you press down grass to create a smoother line to the hole, scrape the surface to test grain, or use something like a towel or your putter head to 'fix' things beyond what's reasonable, that's improving conditions under Rule 8.1a. The penalty is two strokes in stroke play or loss of hole in match play. Accidentally moving your ball while doing allowed repairs? No penalty — just replace it.

Testing the green is a separate no-go

Rule 13.1e bans deliberately testing any putting green or wrong green by roughening or scraping the grass to learn how a ball might roll. That's also the general penalty. But simply touching the green while repairing allowed damage or removing loose soil isn't testing, even if you learn something in the process.

Exceptions that change the answer

• Ball moves while you're repairing allowed damage → No penalty — replace the ball on its original spot (Rule 13.1d).
• Damage is natural wear of the hole, aeration holes, or bare/diseased turf → You cannot repair these — they're not 'damage on the putting green' under Rule 13.1c.
• You're on a wrong green (not the one for the hole you're playing) → Same repair rights apply, but you must take free relief under Rule 13.1f if your ball lies there.

Frequently asked questions

Can I fix spike marks on my line?

Yes. Spike marks are 'damage on the putting green' under Rule 13.1c, so you may repair them without penalty using your hand, foot, or a normal repair tool.

What if I press down grass behind my ball to make a better lie?

That's improving conditions affecting your stroke under Rule 8.1a. Two-stroke penalty in stroke play, loss of hole in match play.

Can I use my putter head to tap down a ball mark?

Yes, a club is listed as an allowed tool for repairs under Rule 13.1c(2), as long as you're reasonably restoring the original condition.

Is there a penalty if my ball moves while I'm fixing a pitch mark?

No penalty. Rule 13.1d says accidental movement during allowed repairs means you just replace the ball.

Can I repair aeration holes on my line?

No. Aeration holes are normal maintenance practices, not 'damage on the putting green,' so Rule 13.1c does not allow you to fix them.