SIKI Garden (Sound Nature Trail) at ROKKO Musical Box Museum & Gardens MORINONE will host the Early Summer Season "Concerto" from May 22 (Fri) to June 24 (Wed), 2026. The season's theme draws on the concerto—a musical form in which a solo instrument performs alongside an orchestra—celebrating the harmony between colorful early-summer blooms and the fresh greenery of Mt. Rokko. The garden, spanning 16,010.77 square meters, will feature live events and interactive sound installations throughout the period.
(1) Concerto on the Snowball Viburnum Terrace

At the café terrace framed by blooming snowball viburnum (Oodemari), visitors can experience playing Tchaikovsky's Piano Concerto No. 1 using a hand-cranked music box. A special photo-spot seat is also set up on the terrace.
- Dates: May 22 (Fri) – June 24 (Wed), 2026 ※Cancelled in severe weather
- Location: Mori no Café terrace
- Fee: Free (admission fee required separately)
(2) Garden Herb and Flower Picking Tour

A guided tour introduces the cultivated plants of SIKI Garden alongside naturally growing wildflowers and covers garden maintenance practices. Flowers expected to be in bloom include snowball viburnum (Oodemari), beach rose (Hamanasu), Sanshoubar rose, and water lilies in the "Hitsujigusa Pond." Participants can pick herbs and flowers during the tour and take them home.
- Date: June 13 (Sat), 2026 ※Proceeds in light rain; cancelled in severe weather
- Time: 2:40 PM (approximately 30 minutes)
- Fee: ¥300 (admission fee required separately; free for annual pass holders)
- Capacity: 15 people
- Reservations: By phone or Instagram DM (@siki_garden); first-come, first-served; walk-ins welcome if spots remain
- Upcoming dates: July 11 (Sat) and August 8 (Sat), 2026 (both at 2:40 PM, approximately 30 minutes)
(3) Garden Live with Peace Head

Open-air concerts are held for the first time in front of Yoshitomo Nara's Peace Head sculpture inside SIKI Garden. Five acts selected through a public call for applications perform against the natural backdrop of Mt. Rokko.
※Performers vary by date. Check the ROKKO Musical Box Museum & Gardens MORINONE official website for the latest lineup.
- Dates: May 17 (Sun), May 24 (Sun), May 31 (Sun), June 7 (Sun), June 14 (Sun), 2026
- Times: 12:35 PM / 1:35 PM / 2:35 PM (approximately 20 minutes each) ※Cancelled in rainy weather
- Fee: Free (admission fee required separately)
(4) Other Seasonal Flowers in Bloom

Various flowers are expected to be in bloom across the garden during this season. Bloom timing may vary depending on weather conditions. Check the official SNS accounts for the latest updates.
- X: @rokkomorinone
- Instagram: @siki_garden
Ongoing Fair: "Harmony of Garden"

Running from March 14 (Sat) to August 21 (Fri), 2026, the "Harmony of Garden" fair brings together the garden's flower season with the museum's signature offerings of music and art. Throughout the fair, visitors experience music, instruments, and natural sounds—including birdsong—woven into the changing landscape of SIKI Garden, alongside outdoor artworks displayed amid the seasonal scenery.
Period: March 14 (Sat) – August 21 (Fri), 2026
Concert without Performers – Harmony of Garden

Antique automatic musical instruments perform pieces connected to the themes of "Waltz," "Concerto," and "Symphony," as well as compositions named after plants. A new piece—Piano Concerto No. 1 by Tchaikovsky—has been added to the repertoire of the Polyphon 54 "Mikado" disc music box, manufactured in Germany around 1900.
※Program may be changed on short notice due to crowd conditions or instrument condition.
- Period: March 14 (Sat) – August 21 (Fri), 2026
- Times: 10:00 AM / 11:00 AM / 12:00 PM / 1:00 PM / 2:00 PM / 3:00 PM / 4:00 PM (approximately 30 minutes each)
- From May 22 (Fri) to August 20 (Thu), 2026: the concert finale will include a screening of Music Box Theater: Yoshitomo Nara "A Pup Who Wanted Friends" (approximately 10 minutes)
- Sample Repertoire:
- "Waltz of the Flowers" from the ballet The Nutcracker (Tchaikovsky)
- Second Movement from Symphony No. 9 From the New World (Dvořák)
Outdoor Art Zone

Outdoor artworks from the contemporary art festival "Kobe Rokko Meets Art" are on display throughout the grounds.
Works on display:
- Mayu Ueda, Daikon
- Yayoi Kusama, Pumpkin (special loan work)
- Lisa Sato, Kohachi
- Hiraki Sawa, shadow step
- Ruri Takahashi, Spending Time Between Two Secrets
- Yoshitomo Nara, Peace Head
- Hideki Nishida, fragile distance A-A', B-B', C-C' (point A point B)
Admission & Hours
- Admission: Adults (junior high school students and above) ¥1,700 / Children (ages 4 to elementary school) ¥850
- Hours: 10:00 AM – 5:00 PM (ticket sales end at 4:30 PM)
- Closed: Every Thursday during the event period
- Parking: ¥1,000 per vehicle (¥2,000 during peak seasons: Golden Week and Obon)
※All prices include tax.