"It's kind of disheartening," said Kunze, head of the park association, while chatting with neighbors near the slide.
"You put in years of work to bring the park up, and one guy can destroy it in a summer."
Overington Park, at 1300 Orthodox St., used to be "a mess," said 40-year resident Lorraine Fortino.
Broken glass littered the play area. Homeless people slept on benches. Hollow-eyed prostitutes trolled the pathways. "And the drugs," said Kunze, 53, affable but no-nonsense. "It was a heavy drug area."
Kunze, an art teacher who has lived in the community for almost two decades and is a self-described fanatic gardener at home, felt the park "cried out for help."
In the six years since she founded Friends of Overington Park, the group has created colorful beds of perennials, sunflowers, and cannas. In just the last year and a half, it also planted 28 trees - cherry, hawthorn, yellowwood, chestnut, sugar maple - through public and private partnerships and with community volunteers.
The gardeners' toil gave the park a higher purpose.
Now toddlers take recess in the shade. Elementary schoolers conduct field trips. People visit for soccer games, football practices, picnics, walks, or just to sit and read. There are fall festivals over dried leaves and pumpkin patches, and workshops on seed planting and pruning.
"It seems the prettier the park is, the more regular people want to come in," Kunze said. "And the prostitutes and drug addicts leave because they don't want their business in front of everybody.
"I don't understand why someone wants to come and destroy it."
The neighbors believe they know the culprit: a big guy in his 20s who sits on a bench with two minions and the three pit bulls they allow to roam and sometimes spar.