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PlantFiles: Jointed Goatgrass
Aegilops cylindrica

 
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Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Aegilops (AY-gil-ops) (Info)
Species: cylindrica (sil-IN-dree-kuh) (Info)

Category:
Annuals

Height:
36-48 in. (90-120 cm)

Spacing:
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)

Hardiness:
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Inconspicuous/none

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

Profile:

No positives
No neutrals
3 negatives

Gardeners' Notes:

RatingAuthorComment
Negative Equilibrium On Jan 29, 2006, Equilibrium wrote:

Jointed Goatgrass is indigenous to Europe and Asia. It is a winter annual. It is very closely related to wheat, so much so that they can interbreed which naturally poses a threat to farmers.

There are currently no biological controls for this plant and no selective herbicides.

Negative PvillePlanter On Nov 23, 2004, PvillePlanter from Pflugerville, TX
(Zone 8b) wrote:

Invasive in most locations where it grows. Legally or by documented scientific studies identified as invasive or noxious weed in these states (this list may not be complete, please check your state noxious weed list)
Arizona (prohibited noxious weed)
California (B list noxious weed)
Colorado
Idaho
New Mexico (class C noxious weed)
Oregon ("B" designated weed, Quarantine)
Texas
Washington (class C noxious weed)

Negative smiln32 On Aug 30, 2004, smiln32 from Oklahoma City, OK
(Zone 7a) wrote:

This plant is considered a noxious weed in many states. It is also referred to as jointgrass.



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