Tuesday, January 24, 2012

Permaculture Plants: Hops

Hops... the favorite vine of brewers!

Common Name: Hops
Scientific Name: Humulus lupulus
Family: Cannabaceae (Hemp Family)

The flower clusters are called cones.

Hops are twining perennial climbers that are fairly drought tolerant. The female plants produce flower cones (also called hops) that are used to provide bitterness and preservation to beer. There are a number of full sized and dwarf varieties, and as a homebrewer of beer I plan to grow quite a few varieties when I finally get the chance.

Humulus lupulus by Kholer

The first documented cultivation of hops was in 736 AD in Hallertau region (part of Bavaria) of Germany. Hops have been growing here ever since, and close to one quarter of the world's hops are now produced in this area. However, in the first century, hops was not a prime beer additive. Over time, in spite of legal battles and elitists' bans on the plant, hops eventually became the primary bittering agent and preservative in beer. It was first grown in the U.S. in 1629.

A hops arbor growing in a well manicured garden.


  • The female plant produces clusters of flowers called Cones or Strobiles. These resemble pale, drooping, green flowers.
  • Only cones from the female plant are used in beer making.
  • Before hops, a wide variety of flowers and herbs were used to bitter the sweet malted barley: marigold, dandelion, burdock, horehound, heather, etc.
  • Most hops are dried before using in beer.
  • The resins in the flowers are what give the distinct qualities to hops. The two main components are alpha and beta acids.
  • Alpha acids are responsible for the antibiotic effect and the bittering flavor in hops.
  • Beta acids are responsible for the aroma - I love this aroma!
  • The "Noble Hops" (Hallertau, Tettnanger, Spalt, and Saaz cultivars, all German) are classic low bitterness, high aroma hops, although some consider two English varieties (Fuggles and East Kent Goldings) to be "Noble" as well.

Do I really need to give more motivation?

Primary Uses:

  • Female "flowers" (Cones) used in beer making

Secondary Uses:

  • Young Spring shoots can be cooked as vegetables, like asparagus, and was a Roman specialty
  • Tea (cones and/or leaves)
  • Medicinal uses - historically used for anxiety, restlessness, insomnia, and anti-bacterial agent.
  • has been used in sausages, cereals, non-beer beverages, tobacco, and perfumes.
  • Stems have been thought to produce fiber and paper.
  • Leaves and cones used to produce a brown dye

Yield: Varies greatly on the variety and growing conditions.
Harvesting: Female cones are harvested in autumn.  Bloom to harvest is about 40 days.
Storage: Unless used immediately, drying is the best method for preservation. Once dried, hops can be stored in a sealed bag (as close to vacuum as you can get it) for many months. This can extend the brewing potential of home raised hops.

Resins of the hops flower (the yellow globs) contain the alpha and beta acids.

USDA Hardiness Zone: 4-5
Chill Requirement: Likely, but none documented that I could find

Plant Type: Large herbaceous vining/climbing plant
Leaf Type: Deciduous
Forest Garden Use: Vertical Layer (Vining/Climbing)
Cultivars/Varieties: Many varieties available.

Pollination: Hops are dioecious (male and female plants). You only need one male vine for a number of female plants if you are interested in propagating from seed; however, this is rarely done.

Flowering: Summer

Life Span:
Years to Begin Bearing: 2-3 years
Years to Maximum Bearing: 3-4 years
Years of Useful Life: No good information found

The development of the Hops leaf... becoming more complex with age.

The start of the female flower cluster... known as the female inflorescence.

Size: 15-30 feet (4.5 - 9 meters) tall and wide; some dwarf varieties exist that are about half this size
Roots: Rhizomatous - underground stems that send up shoots and down roots
Growth Rate: Medium to Fast depending on the variety

Light: Prefers full sun
Shade: Tolerates moderate shade
Moisture: Medium moist to dry
pH: prefers fairly neutral soil (6.1 - 7.0)

Special Considerations for Growing: 
Hops has been grown commercially for a long time, so there are some very specific ways in which it is grown to produce maximum yields, make harvesting easier, make treating pests easier, and make the most money... however, if you plant hops in a Forest Garden setting, then you can pretty much plant it is a sunny, well ventilated location with a structure/support to grow, and leave it be!

Martin Crawford, world expert on forest gardening, recommends growing hops on the south side of large, non-fruiting/nut trees like the nitrogen-fixing Alders. This allows nitrogen for the fast growing hops, structure for the hops to climb, but does not inhibit yield of a high production tree. Brilliant!

Propagation:  Root cuttings, division (in Spring), or layering.  Rarely grown from seed as it will not produce true to type... meaning, plants grown from seed will produce plants with very different flower characteristics.  Since the flowers of specific varieties are used to give distinct flavors and aromas to beer, then growers usually want these characteristics preserved... hence the aforementioned propagation methods.

Minimal once established. Some forest gardeners will leave the old stems as a trellis for new growth.

Poisonous to dogs - results in hyperthermia, seizures, and death.
Some people can develop dermatitis (skin irritation) while picking the hops.
Sprawling vigorous growth can overtake some areas if not kept in check or planted with the growth in mind.

Young hops shoots collected in the Spring can be treated and eaten just like asparagus.


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  2. I love the smell of hops, too! Have you ever used any other herbals to bitter beer? I'm trying to convince hubby to try a lavendar homebrew, among others (I tried an oregano, thought it would be disgusting, but it was delicious!).

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  6. شركة نقل عفش
    اهم شركات مكافحة حشرات بالخبر كذلك معرض اهم شركة مكافحة حشرات بالدمام والخبر والجبيل والخبر والاحساء والقطيف كذلك شركة رش حشرات بالدمام ومكافحة الحشرات بالخبر
    شركة مكافحة حشرات بالدمام
    شركة تنظيف خزانات بجدة الجوهرة من افضل شركات تنظيف الخزانات بجدة حيث ان تنظيف خزانات بجدة يحتاج الى مهارة فى كيفية غسيل وتنظيف الخزانات الكبيرة والصغيرة بجدة على ايدى متخصصين فى تنظيف الخزانات بجدة
    شركة تنظيف خزانات بجدة
    شركة كشف تسربات المياه بالدمام
    شركة نقل عفش واثاث


  7. شركة نقل عفش بالرياض وجدة والدمام والخبر والجبيل اولقطيف والاحساء والرياض وجدة ومكة المدينة المنورة والخرج والطائف وخميس مشيط وبجدة افضل شركة نقل عفش بجدة نعرضها مجموعة الفا لنقل العفش بمكة والخرج والقصيم والطائف وتبوك وخميس مشيط ونجران وجيزان وبريدة والمدينة المنورة وينبع افضل شركات نقل الاثاث بالجبيل والطائف وخميس مشيط وبريدة وعنيزو وابها ونجران المدينة وينبع تبوك والقصيم الخرج حفر الباطن والظهران
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  9. Seems interestingly enough to have my own gardenbut how can I get the plant.I want to brew keep me up posted to date