Hop - Humulus lupulus

Description

Climbing plant supported by tough backward pointing hairs on the stems. The leaves are opposite. The flowers are unisexual and pendulous. The green female flower resembles a soft pine cone.

Identification difficulty
Habitat

Hedgerows, riverbanks and scrub.

When to see it

Flowering July and August.

Life History

Perennial herb.

UK Status

Fairly frequent in England and Wales less common further north.

VC55 Status

Has a curious distribution in Leicestershire and Rutland but is fairly common in the Soar valley. In the 1979 Flora survey of Leicestershire it was found in 202 of the 617 tetrads.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Hop
Species group:
flowering plant
Kingdom:
Plantae
Order:
Rosales
Family:
Cannabaceae
Records on NatureSpot:
113
First record:
03/05/2007 (Dave Wood)
Last record:
28/09/2025 (Mabbett, Craig)

Total records by month

% of records within its species group

10km squares with records

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Latest images

Latest records

Photo of the association

Damson-hop aphid

The Damson-hop Aphid (Phorodon humuli) host alternates from Blackthorn or Plum species (Prunaceae) to Hops. Phorodon humuli apterae are small to medium sized, whitish to pale yellowish green and relatively shiny. The abdomen is marked with three dark green longitudinal stripes.

Photo of the association

Apple Leaf Miner

Lyonetia clerkellais a tiny moth (wingspan 7 to 9 mm) with a silvery appearance but very attractively patterned when seen under magnification. 

The larva produces a leafmine on a number of species, especially Cherry, Apple, Rowan, Hawthorn, Blackthorn and other trees and shrubs in the Rosaceae family.  It is also commonly found on Birch and occasionally on Hop (Humulus lupulus). The mine is long smoothly curved gallery with frass in a central line; older mines look whitish. The larva is long and slender. It has a segmented body and 6 dark feet.

Photo of the association

Agromyza anthracina

The larva of the Agromyzid fly Agromyza anthracina mines the leaves of Common Nettle and other related host plants including Hop. The mine usually starts away from the leaf edge and has a coiled intestine like start; it has frass in long threads in the broader part of the mine. 

Photo of the association

Agromyza flaviceps

The larva of the Agromyzid fly Agromyza flaviceps mines the leaves of Hop creating a long upper surface gallery widening towards the end and with greenish, diffused frass.