Annual Knawel

Scleranthus annuus

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Not native

Profile 59%

At a glance

Not yet recorded · Spread · Leaves · Bloom

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 7 Florida counties.

Ecological relationships

—CaterpillarsGenus host records with ranges including FL

—BeesSoutheastern regional records

—Specialist beesPollen specialists

1BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Scleranthus

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

Growing and identification

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope

Height · “2–5 inches” · Minnesota Wildflowers
Life cycle · “Annual” · NC Extension Plant Toolbox
Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
Soil · “Moist; Occasionally dry” · NC Extension Plant Toolbox

Also known as

German Knotgrass