ExplorePlants

mile-a-minute weed

Persicaria perfoliata

Mile-a-minute weed is a fast-growing plant that can climb over other plants and fences. It has bright green leaves and tiny, blue flowers that attract butterflies and bees!

Habitat: Urban areas

Appearance

The mile-a-minute weed has distinctive light green, triangular (arrowhead-shaped) leaves, often with a dark blotch in the center. Its slender, reddish stems are covered in tiny, backward-pointing barbs, making it feel rough to the touch. Tiny, white, or pale pink flowers appear in clusters at the leaf nodes.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderCaryophyllalesFamilyPolygonaceaeGenusPersicaria
mile-a-minute weed
flowering trait badgepollinator_magnet trait badgerapid_growing trait badgeurban trait badge
mile-a-minute weed

Category

Plants

Rarity

Common

Danger

2/5 · Low

Snaps

Be the first to snap!

Interesting facts

Its unique seeds wear a tiny blue "hat" that helps them float on water!

The plant's stems have tiny, backward-pointing hooks, making it clingy like Velcro!

This plant can grow almost a foot (30 cm) in just ONE day!

Young leaves taste like spinach with a tangy kick and are safe to eat raw!

Special abilities

Ability

Rapid Ascent

Mile-a-minute weed can grow up to 15 cm daily, quickly climbing over and smothering other plants for sunlight.

Ability

Barbed Grapplers

It has sharp, hooked barbs on its stems that help it grip and climb aggressively over any support.

Ability

Floating Seed Power

Its blue-black seeds are buoyant, allowing water to carry them far from the parent plant for dispersal.

Measurements & details

Height
30-600 cm
Flower Size
0.2-0.4 cm
Bloom Season
Summer-fall
Edible
Yes
Toxicity
None
Lifecycle
Annual
Pollination Method
Self

Ecological connections

eaten by

Mile-a-minute weevil

Rhinoncomimus latipes

Its leaves are eaten by this specialized biocontrol weevil.

pollinates

European honey bee

Apis mellifera

Its small flowers attract various generalist insect pollinators.

eaten by

Northern Cardinal

Cardinalis cardinalis

Many bird species eat its distinctive blue-black seeds.

Traits

Also known as

Asian tearthumbDevil's tail

Collections

Safety

Danger

2/5 · Low

Be careful not to touch the plant too much, as it can be prickly.

Frequently Asked Questions

How tall is mile-a-minute weed?

30-600 cm

How big are the flowers on mile-a-minute weed?

0.2-0.4 cm

When does mile-a-minute weed bloom?

Summer-fall

Is mile-a-minute weed edible?

Yes

Is mile-a-minute weed toxic?

None

What is mile-a-minute weed's lifecycle?

Annual

How is mile-a-minute weed pollinated?

Self

Where is mile-a-minute weed usually found?

Urban areas

Snap Map

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Where to spot

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