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Plant guide

Hops.

Humulus lupulus

Pronounced HYOO-myoo-lus LOO-pyoo-lus

Also known as Bine, Common Hop, Common Hop, Hops, Common Hops, Hop, Hops

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common hops
Photo by Peeter Talvistu (CC BY) via iNaturalist

Hops are vigorous, climbing vines known for their papery, cone shaped flowers used in brewing. They grow incredibly fast during the summer months and need a sturdy trellis to support their heavy bines. You will love watching them climb as they create a lush, green screen in your garden.

Another photo of Hops
Photo by Stanislav Murashkin (CC BY) via gbif

At a glance

Care level
Moderate
Plant type
Perennial vine
Light
Full sun
Indoor light
Direct sun
Water
Every 2 to 4 days
Mature size
20 to 25 feet
Growth rate
Fast
Hardiness
USDA 3 to 8
Bloom time
Mid to late summer

Care

Provide a tall, sturdy structure for the bines to climb and ensure they get plenty of sun. Watch for aphids or spider mites on the undersides of leaves during hot, dry spells. Keep the soil consistently moist but well drained to support their rapid growth.

Watering
Keep the soil evenly moist, especially during the peak of summer heat.
Feeding
Feed with a balanced fertilizer throughout the active growing season.
Pruning
Cut the bines back to the ground once they die back in late autumn.
Repotting
Hops are best grown in the ground, but if in containers, refresh the soil every few years.
Soil
Rich, well draining loam
Soil pH
6.0 to 7.0
Temperature
-30 to 35°C
Humidity
40 to 70%
Drought tolerance
Low
Lifespan
Perennial, typically 10 to 20 years.
Fragrance
Strong
Deer and rabbits
Moderate

Signs it needs repotting

  • Roots growing out of the drainage holes.
  • Water running straight through the pot without soaking in.
  • Stunted growth despite regular feeding.

Safety

People
The rough hairs on the stems and leaves can cause contact dermatitis in sensitive individuals.
Pets
Hops are toxic to dogs and can cause malignant hyperthermia if ingested.
Children
The stems are covered in tiny, hooked hairs that can scratch delicate skin, so keep children away from the vines.
Contact allergens
The glandular hairs on the leaves and stems are known to cause skin irritation or rashes upon touch.
Airborne allergens
The pollen may trigger mild allergic reactions in sensitive individuals during the flowering season.
Edibility
While the cones are used for brewing, they can cause digestive upset in some people and are highly toxic to dogs.

How to identify it

  • Rough, heart shaped leaves with serrated edges
  • Vigorous, climbing bines with stiff hairs
  • Papery, cone shaped female flower clusters
  • Rapid growth during the growing season
Height
4.5 to 7.5m
Spread
0.9 to 1.8m
Leaves
green, deciduous
Flowers
green, yellow, 2 to 5cm
Fruit
green, yellow, Early to mid autumn

Problems to watch for

    Check your hops from a photo

    Pocket Botanist looks at a photo of your plant and tells you what's wrong and what to try first.

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    Growing it

    Propagation
    division, cuttings
    When to plant
    spring
    Overwintering
    Cut the vines back to the ground after the first hard frost. Apply a thick layer of mulch over the crown to protect it from extreme temperature fluctuations.
    In containers
    They can grow in large containers of at least 40 liters, but they will need a tall trellis to support their rapid growth.

    Rhizome Division

    1. 1. Wait until early spring when the plant is dormant.
    2. 2. Carefully dig around the root mass to expose the rhizomes.
    3. 3. Cut a section of rhizome that has at least two healthy buds.
    4. 4. Replant the section immediately in fertile soil.

    Plant low growing ground covers around the base to shade the roots, as hops prefer cool feet and a sunny head.

    Grows well with

    • Nasturtium · They act as a living mulch to keep the soil cool and moist.
    • Garlic · Their strong scent helps deter some common garden pests.

    Similar species

    • Japanese Hop · An annual relative that is often considered invasive in many regions.

    Science

    Family
    Cannabaceae
    Genus
    Humulus
    Order
    Rosales
    Class
    Magnoliopsida
    Native range
    Temperate regions of the Northern Hemisphere.
    Conservation
    This species is widespread and not of conservation concern.

    It naturally colonizes moist, fertile soils along woodland edges and riverbanks where it can climb toward the light.

    Value to wildlife
    larval host plant
    Pollinators
    bees, butterflies
    Uses
    brewing, ornamental vine, herbal pillows

    Through the year

    JFMAMJJASOND
    Flowering
    Fruiting
    Foliage

    Ecological indicators

    Salinity
    2/9
    Soil reaction
    6/9
    Light
    7/9
    Temperature
    5/9
    Moisture
    6/9
    Nutrients
    7/9

    Taxonomy resolved against GBIF.

    Questions people ask

    Do I need a trellis?
    Yes, hops are vigorous climbers and require a tall, sturdy support system to thrive.
    Can I grow them in a pot?
    It is possible, but they require a very large container and frequent watering.

    Where the name comes from

    The name Humulus comes from the Latin word for earth, referring to its habit of trailing on the ground if not supported. Lupulus is a diminutive of lupus, meaning wolf, as it was once thought to choke out other plants like a wolf in a sheepfold.

    Good to know

    • Hops grow incredibly fast, sometimes up to 20 centimeters in a single day.
    • The female flowers, known as strobiles, are the part used for brewing beer.
    • Hops were historically used to preserve beer before refrigeration existed.
    • The plant dies back to the ground every winter and regrows from the roots in spring.

    Also in

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    This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.