Good morning, Lancaster County. The sun's back out and the calendar is finally catching up - by this weekend there's a butterfly release in Manheim, a Juneteenth block party in the city, and five very lucky lab rats settling into retirement in Millersville. Pour the coffee; here's what's worth leaving the house for.

In today's Lancaster Local:

- Five Millersville University lab rats just got adopted into forever homes

- A lavender farm in Manheim releases butterflies and pours U-pick bouquets Saturday

- Free concerts, living dinosaurs, and a Grateful Dead tribute on the lawn

- Columbia's Riverfest weekend closes out the month on the river

Here's a happy ending you don't see coming. At Millersville University, five Long-Evans rats wrapped up their working lives as subjects in an advanced psychology lab - and instead of the usual fate for research animals, every one of them got adopted into a forever home.

The five-month-old females spent the semester in a behavioral study on positive reinforcement, looked after by 11 students who ran the lab hands-on instead of sitting through exams. Associate professor Dr. Kelly Banna says rats are "VERY social creatures," so the department went all-in this year - a new, big, enriched cage to keep the group housed and comfortable through the term. By the time the study wrapped, the rats were friendly, active, and used to company.

That's where the neighbors come in.

Adopters stepped up ready to care for the animals for up to three years, and because rats do best with a buddy, they took them home in pairs and trios - no rat left to retire alone. Five little subjects, five soft landings, one psychology department that clearly got attached.

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The early part of the week is quiet, so think of this as your weekend-and-beyond planner - and Saturday is stacked.

🎸 Free Concert: Classical Guitar Society of Lancaster - Milanof-Schock Library - 1184 Anderson Ferry Rd, Mount Joy. Saturday, June 20 at 2 p.m. An afternoon of classical guitar performed by the society's players, open to the public and completely free - an easy, air-conditioned hour for a hot Saturday. More info →

🎉 5th Annual Juneteenth Cultural Mixer - Crispus Attucks Community Center - 407 Howard Ave, Lancaster. Saturday, June 20, 1–5 p.m. Live music from the Blind Date Band, local food trucks, dancing, and fellowship at one of the city's longtime community hubs. Come hungry and plan to stay a while. More info →

🦋 Purple Moon Lavender Farm Bloom Fest & Butterfly Release - Purple Moon Lavender Farm - 731 N Penryn Rd, Manheim. Saturday, June 20, 10 a.m.–2 p.m. Walk the rows in full bloom, cut your own U-pick bouquet, sit in on a yoga or essential-oils session, and watch the butterfly release. Several ticket tiers; register ahead. Get tickets →

🦖 Birds & Reptiles: Living Dinosaurs - Manheim Community Library - 547 N Penryn Rd, Manheim. Monday, June 22, 10–11 a.m. Lancaster County Parks naturalists bring real bird and reptile specimens for kids to touch, then head outside to spot the living "dinosaurs" tweeting in the trees. Free and family-friendly; registration requested. Get tickets →

🎶 Columbia Lions Music in the Park: Ghost Light Radio Show - 550 Locust St, Columbia. Monday, June 22 at 6:30 p.m. The Lions' free outdoor concert series rolls on with the Ghost Light Radio Show. Bring a lawn chair, bring the kids - all ages welcome. More info →

🎙️ LNP Listening Sessions: Lititz - Lititz Public Library, Lititz. Tuesday, June 23, 5:30–7 p.m. LancasterOnline wants to hear what local news you actually care about and how you want to get it. Their pitch: "No speeches. No lectures. Just listening." Free; RSVP on Eventbrite. Get tickets →

🕯️ Cupcakes & Candles: Soy Candle Making Workshop - Lancaster Cupcake (Granite Run), Lancaster. Thursday, June 25, 6–8 p.m. Blend a custom scent from 20-plus clean fragrance oils, pour your own amber-jar candle and four tealights, and take home a cupcake on top. Beginner-friendly, ages 12 and up. Get tickets →

🌿 Music On The Lawn: High Times Band - Conestoga House and Gardens - 1608 Marietta Ave, Lancaster. Friday, June 26, doors 5 p.m. The monthly garden concert series brings in High Times Band, a South Central PA Grateful Dead tribute act. Pre-order a charcuterie board and settle in on the lawn. Get tickets →

🌊 Riverfest Weekend 2026 - Columbia riverfront, Columbia. Friday–Sunday, June 26–28. Columbia's signature weekend on the Susquehanna marks the 1863 burning of the Columbia–Wrightsville Bridge - when locals turned back Confederate troops days before Gettysburg - with a full slate of riverfront events, history, and family fun. Mark the calendar now. More info →

Tuesday, June 16 - Sunny and a comfortable 78°. About as easy as a June day gets, so take the long way home. (Enjoy it: Wednesday brings a chance of showers and Thursday's flirting with 90.)

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