7 Erica x Darkyensis that we planted today

1. George Rendell
2. White Perfection
3. Kramer's Rote
4. Furzey
5. Darley Dale
6. Spring Surprise
7. Kramer's Red

7 old streets around where I work

1. Cheapside
2. Poultry
3. Threadneedle Street
4. Eastcheap
5. Philpot Lane
6. Crutched Friars
7. Rood Lane

7 of Arthur Miller's Radio Plays

1. The Pussycat and the Plumber Who Was a Man (1941)
2. The Battle of the Ovens (1942)
3. Listen for the Sound of Wings (1943)
4. Bernardine (1944)
5. Grandpa and the Statue (1944)
6. The Story of Gus (1947)
7. The Reason Why (1970)

7 longest fjords in Norway

1. Solund–Skjolden - 204km
2. Bømlo–Odda - 179km
3. Agdenes–Steinkjer - 126km
4. Sværholtklubben–Brennelv - 123km
5. Hareidlandet–Geiranger - 110km
6. Husevågøy–Loen - 106km
7. Færder–Oslo - 100km

7 constants

1. Avogadro constant - N_A - 6.022 136 7(36) x 10²³ mol^-1
2. Gravitational constant - G_N - 6.672 59(85) x 10^-11 m³/(kg s²)
3. Hubble constant - H₀ - 100 h₀ km/(s Mpc)
4. Planck constant - h - 6.626 075 5(40) x 10^-34 J s
5. Wien displacement law constant - b - 2.897 756(24) x 19) x 10^-3 m K
6. Boltzmann constant - k - 1.380 658(12) x 10^-23 J/K
7. fine structure constant - α - 1/137.035 989 5(61)

7 answers we got right in this week's University Challenge

1. Thatcher
2. Carpenters
3. Uppsala
4. Aphids
5. Hellfire
6. Ring
7. 1460s

7 sumo wrestlers

1. Hakuhō Shō - Yokozuna East
2. Kōryū Tadaharu - Maegashira 12 East
3. Sōkokurai Eikichi - Maegashira 16 East
4. Toyohibiki Ryūta - Maegashira 15 West
5. Baruto Kaito - Ōzeki West
6. Kokkai Futoshi - Maegashira 15 East
7. Yoshikaze Masatsugu - Maegashira 2 West