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The Verdant HoursHerbal gathering almanac
Plant atlasConvolvulaceae
Culinary reference

Water spinach.

Ipomoea aquatica

Also found as Kangkong · Morning glory vegetable

A semi-aquatic vine with hollow stems and arrow-shaped leaves, one of Asia's most common leafy greens.

Sources checked 27 September 2026 · Specialist field review pending
Water spinach: Pale purple flower.
Malaika Mathew Chawla · CC BY 4.0
Before any gathering or use

Wild plants from polluted water can carry parasites and heavy metals; cook well. It is a regulated invasive in some countries.

Where it grows

Tracked records and known growing zone

Explore on the field map
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Squares: where people recorded it, brighter where more people did
Verified records
2,913
People who recorded it
1,547
Most records (northern hemisphere)
Oct–Jan, Apr
Records span
2002–2026
Northern hemisphere · 2,594 dated records
Water spinach verified records by month, northern hemisphere
January291
February186
March176
April272
May149
June72
July135
August128
September154
October298
November408
December325
Southern hemisphere · 319 dated records
Water spinach verified records by month, southern hemisphere
January13
February10
March13
April44
May45
June46
July37
August41
September20
October17
November19
December14

Research-grade iNaturalist records, snapshot Aug 27, 2026. The growing zone combines areas where different people have repeatedly verified it. Records show where people looked and found it, not current abundance or permission to gather.

01 / Learn to see

Field marks

  1. 01

    Hollow, floating or creeping stems.

  2. 02

    Arrow- to lance-shaped alternate leaves.

  3. 03

    White to pale lilac funnel-shaped flowers.

These are study prompts, not a complete identification key. Confirm the full plant with a regional flora and an experienced local identifier.

02 / Resolve the differences

Look closely. Compare.

Selected comparisons only. Other lookalikes may occur locally.

03 / Meet the place

Habitat & season

Range context

Native to tropical Asia; widespread in tropical wetlands.

Watch the plant stage

Shoots year-round in warm climates.

Stage guidance is not a local forecast. Check your climate, elevation and a regional source; no month-shift formula is used here.

04 / Gather with care

Documented use & care

Parts discussed: Shoot tip · Leaf

Cook shoot tips and leaves quickly, as in stir-fries.

Care for the patch

Do not plant in wild waters where it is invasive.

Preparation & storage essentials

05 / Follow the evidence

Sources & review

Checked 27 September 2026. Original editorial synthesis; source institutions have not reviewed or endorsed this guide. Independent botanical field review is pending. Photos illustrate specimens; they do not certify the identity of a plant you find.

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