# pale smartweed (*Persicaria lapathifolia*)

Pale smartweed is a tall plant with green leaves and tiny pink flowers. It often grows near water and is great for helping insects like butterflies and bees.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 6
- **Habitat:** Wetlands

![pale smartweed](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Polygonum_lapathifolium3.jpg&width=800)

Photo: Hardyplants at English Wikipedia, Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Polygonum_lapathifolium3.jpg)

## Appearance

The pale smartweed has slender, often reddish stems and lance-shaped leaves that typically display a dark, thumb-print like blotch in the center. Its tiny, greenish-white to pale pink flowers grow in dense, upright spikes at the top of the plant, making it look delicate.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Caryophyllales
- **Family:** Polygonaceae
- **Genus:** Persicaria

## Interesting facts

- Its seeds are a super snack for many wetland birds, keeping them strong!
- Look closely for a cool dark 'thumbprint' blotch often found on its leaves!
- Pale smartweed helps stabilize soil along riverbanks, preventing erosion!
- This plant is related to buckwheat, which is used to make tasty pancakes!

## Special abilities

- **Resilient Sprouter:** Pale smartweed seeds can stay dormant for decades in soil, waiting for perfect conditions to sprout and grow.
- **Water Lover:** This plant can thrive in very wet soils, like those found near ponds and streams, helping it survive where others can't.
- **Rapid Colonizer:** Pale smartweed can quickly grow and spread in disturbed areas, acting as a pioneer plant to establish itself fast.

## Measurements & details

- **Height:** 30-100 cm
- **Spread:** 20-50 cm
- **Flower Size:** 0.2-0.3 cm
- **Bloom Season:** Summer to fall
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Annual
- **Pollination Method:** Insect

## Ecological connections

- **Eaten by:** Mallard duck (*Anas platyrhynchos*) — Eats its plentiful seeds.
- **Pollinates:** European honey bee (*Apis mellifera*) — Visits its tiny flowers for nectar.
- **Eaten by:** Dock Beetle (*Gastrophysa polygoni*) — Larvae and adults feed on its leaves.

## Traits

- [Ornamental](https://www.snappit.app/explore/traits/ornamental): Ornamental plants are cultivated primarily for their aesthetic appeal, enhancing landscapes and gardens with their attractive foliage, flowers, or form.
- [Cluster Flower](https://www.snappit.app/explore/traits/cluster-flower): Cluster flowers are inflorescences where individual flowers are arranged closely together on a common stem.
- [Spring Blooming](https://www.snappit.app/explore/traits/spring-blooming): Spring blooming plants produce their flowers during the spring season, often signifying the end of winter and the start of new growth.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Always wash your hands after touching plants, just to be safe!

## Frequently Asked Questions

### How to identify pale smartweed?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How tall is pale smartweed?

30-100 cm

### How wide does pale smartweed spread?

20-50 cm

### How big are the flowers on pale smartweed?

0.2-0.3 cm

### When does pale smartweed bloom?

Summer to fall

### Is pale smartweed edible?

Yes

### Is pale smartweed toxic?

None

### What is pale smartweed's lifecycle?

Annual

## Where to spot

- [Dundee Canal](https://www.snappit.app/guides/places/dundee-canal) — New Jersey, US · Historic Site
- [Sunset Zoo](https://www.snappit.app/guides/places/sunset-zoo) — Kansas, US · Zoo
- [Sedgwick County Zoo](https://www.snappit.app/guides/places/sedgwick-county-zoo) — Kansas, US · Zoo
- [August A. Busch Memorial Conservation Area](https://www.snappit.app/guides/places/august-a-busch-memorial-conservation-area) — Missouri, US · Nature Reserve
- [Illinois Caverns State Natural Area](https://www.snappit.app/guides/places/illinois-caverns-state-natural-area) — Illinois, US · State Park
- [Lowell Commercial Historic District](https://www.snappit.app/guides/places/lowell-commercial-historic-district) — Indiana, US · Historic District

[View all places to see pale smartweed](https://www.snappit.app/guides/where-to-see/pale-smartweed)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Pale Smartweed: Facts & Places to See — Snappit](https://www.snappit.app/explore/pale-smartweed)
