Broadleaves

Balloon Vine: How to Stop This Climbing Weed in Rice Fields

Balloon vine is a climbing broadleaf weed that grows in rainfed lowland rice fields in the Philippines. Its papery, lantern shaped fruits make it easy to recognize, but by then it may already be climbing your crop. This page shows how to spot it early and how to remove it before it covers your palay.

Cardiospermum halicacabum 8 min read Updated October 18, 2026 By the anee.io agriculture team Read it all with Libre + Anee
Balloon vine (Cardiospermum halicacabum), a broadleaf weed of Philippine rice fields
Photo: H. Zell, CC BY SA 3.0, via Wikimedia Commons

What Is Balloon Vine?

This vine belongs to the soapberry family, the same family as rambutan and lychee. Farmers know it by many names: alalayon, bangkolon, lubo lobohan, parol parolan, paltu paltukan, parya aso and paspalya. Names like parol parolan and lubo lobohan point to its fruit, which looks like a small lantern or balloon. Balloon vine grows in rainfed lowland rice fields.

As an annual, it lives for one season and spreads by seed. Its long stems climb by wrapping thin tendrils around anything nearby, rice stems included. Each balloon shaped fruit holds a few round black seeds, and each seed carries a small white spot shaped like a heart. When the papery fruits dry and split, the seeds drop into the field for the next crop.

Quick facts about balloon vine
NameBalloon vine
Scientific nameCardiospermum halicacabum
FamilySapindaceae
Weed groupBroadleaves (see the three groups)
Local namesAlalayon, bangkolon, lubo lobohan, parol parolan, paltu paltukan, parya aso, paspalya
Life cycleAnnual
Spreads bySeeds
Where it growsRainfed lowland rice fields

How to Identify Balloon Vine

Look for a thin vine with long, slightly hairy stems that climbs over the rice or nearby plants. The leaves grow one at a time along the stem on slender stalks. Each leaf splits into three, and each of those parts splits into three again, so you see many small leaflets with toothed, sometimes lobed edges. Like other broadleaf weeds, it has netted veins. Tiny white flowers come first, then the papery, lantern shaped fruits.

  • Thin vines climbing up and over rice plants, using small curling tendrils to hold on.
  • Long, slightly hairy stems that tangle between the rice hills.
  • Leaves divided into three, then three again, with toothed, sometimes lobed leaflets.
  • Very small white flowers that you can easily miss among the leaves.
  • Papery, green, lantern shaped fruits that puff up like little balloons.

Why It Hurts Your Palay

Balloon vine competes with your palay for light, water and fertilizer, but its climbing habit makes it worse than most broadleaf weeds. Its stems wrap around rice tillers and spread a layer of leaves over the crop. That shade slows the rice below. Heavy vines can also pull rice stems down, which makes harvest harder and can spoil grain that touches wet ground.

Its dry fruits and seeds can also get mixed into the harvest. Besides that, tangled vines give rats and insects cover inside the crop. Since it climbs, the longer you wait, the harder it gets to pull out without breaking the rice.

How to Control Balloon Vine

  1. Cut and pull the vine while it is still small, before it climbs the rice. Unwind it gently so you do not break the tillers.
  2. Remove plants before the lantern shaped fruits dry and split, and carry them out of the field in a sack.
  3. Clear the vine from fences, levees and nearby bushes too, since plants there can drop seed into the paddy.

What to Do at Each Age of Your Rice

  • 0 to 5 days: keep the soil saturated. Use a pre emergence herbicide only if the field had many weeds last season.
  • 6 to 10 days: hand weed in transplanted rice. In direct seeded rice, this is the window for an early post emergence spray.
  • 11 to 20 days: keep water in the field, weed by hand or with a rotary weeder, and let Azolla and the Altica beetle help. Spray only if those fail.
  • 21 to 30 days: top up the water and keep weeding. Spray only if weeding fails.
  • 31 to 40 days (transplanted rice): hand weed. A spray this late is only a rescue.
  • After any post emergence spray, bring the water back within 1 to 3 days at 3 to 5 cm and hold it for 4 to 5 days. Keep young rice above it.

Active Ingredients That Work on Broadleaves

If water and weeding cannot hold balloon vine down, choose an active ingredient that works on broadleaves at the age of your rice. Each active ingredient in it is in a herbicide registered in the Philippines for rice. Shop by the ingredient on the label, never by the brand. If your field also has other kinds of weeds, the weed control helper in anee.io finds the ingredients that cover all of them.

Active ingredients for broadleaves by rice age
Rice age (days after planting)Transplanted rice (lipat tanim)Direct seeded rice (sabog tanim)
0 to 5 daysPretilachlor, Oxadiazon, Butachlor plus 2,4 D IBE, Pyrazosulfuron ethyl plus pretilachlor, Imazosulfuron, Penoxsulam plus butachlor, Tefuryltrione plus triafamone, Thiobencarb plus 2,4 D IBEPretilachlor, Oxadiazon, Pretilachlor plus butachlor, Butachlor plus 2,4 D IBE, Pendimethalin, Pyrazosulfuron ethyl plus pretilachlor, Butachlor with safener
6 to 10 daysButachlor plus propanil, Cyhalofop butyl plus bispyribac sodium, Bispyribac sodium, Penoxsulam plus cyhalofop butyl, Pendimethalin, Cyhalofop butyl plus propanil, Imazosulfuron, Propyrisulfuron, Clomazone plus propanil, Thiobencarb plus propanil, Flucetosulfuron, Cyhalofop butyl plus florpyrauxifen benzylButachlor plus propanil, Cyhalofop butyl plus bispyribac sodium, Bispyribac sodium, Pyribenzoxim plus cyhalofop butyl, Penoxsulam plus cyhalofop butyl, Cyhalofop butyl plus propanil, Pyrazosulfuron ethyl plus pretilachlor, Pendimethalin, Propyrisulfuron, Clomazone plus propanil, Thiobencarb plus propanil, Pretilachlor plus pyribenzoxim, Penoxsulam, Flucetosulfuron, Cyhalofop butyl plus florpyrauxifen benzyl
11 to 20 daysCyhalofop butyl plus bispyribac sodium, Bispyribac sodium, Pyribenzoxim plus cyhalofop butyl, Penoxsulam plus cyhalofop butyl, Metamifop plus bispyribac sodium, Bentazone, Cyhalofop butyl plus ethoxysulfuron, Propyrisulfuron, Fenoxaprop P ethyl plus ethoxysulfuron, Flucetosulfuron, Carfentrazone ethyl, Florpyrauxifen benzyl, Cyhalofop butyl plus florpyrauxifen benzylCyhalofop butyl plus bispyribac sodium, Bispyribac sodium, Pyribenzoxim plus cyhalofop butyl, Penoxsulam plus cyhalofop butyl, Metamifop plus bispyribac sodium, Bentazone, Pyribenzoxim, Cyhalofop butyl plus ethoxysulfuron, Propyrisulfuron, Fenoxaprop P ethyl plus ethoxysulfuron, Flucetosulfuron, Carfentrazone ethyl, Florpyrauxifen benzyl, Cyhalofop butyl plus florpyrauxifen benzyl
21 to 30 days2,4 D amine, 2,4 D IBE, MCPA, Metamifop plus bispyribac sodium, Bentazone, Metsulfuron methyl plus chlorimuron ethyl, Fenoxaprop P ethyl plus ethoxysulfuron, Carfentrazone ethyl2,4 D amine, 2,4 D IBE, Cyhalofop butyl plus bispyribac sodium, Pyribenzoxim plus cyhalofop butyl, MCPA, Metamifop plus bispyribac sodium, Bentazone, Metsulfuron methyl plus chlorimuron ethyl, Pyribenzoxim, Carfentrazone ethyl
31 to 40 daysMetsulfuron methyl plus chlorimuron ethylNot listed for direct seeded rice

Spray Safely

Use only herbicides registered with the Fertilizer and Pesticide Authority, and follow the label on the pack: the rate, the timing, the water and the protective clothing. Switch herbicide groups between seasons so the weeds do not learn to survive them. Our guide to herbicides for rice explains the groups.

Keep Balloon Vine Out Next Season

  • Plant clean, certified seed. Weed seeds mixed into the punla are the easiest way in.
  • Keep the seedbed, the canals and the bunds free of weeds, so seed does not wash or blow into the paddy.
  • Prepare the land well: flood, plow, let the weed seeds sprout, then kill them when you harrow. Level the field so water covers it evenly.
  • Pull escapes before they flower and set seed, and carry them out of the paddy instead of leaving them on the bund.
  • Keep the field clean after harvest and through the fallow, so fewer seeds build up in the soil for next season.

These steps work for every broadleaf weed in the paddy, not only this one. The weed management guide puts them in order for a whole season.

Not Sure It Is Balloon Vine?

Take a clear photo of the leaf, the stem and the flower or seed head, then ask Anee, the smart farm technician in anee.io, in Tagalog or English. Anee tells you which weed it most likely is, its group, and what to do at the age of your rice. You can also put the weeding days on your cropping calendar, so the team knows when to go in.

Stay ahead of the weeds this season

anee.io keeps your weeding, spraying and water on one calendar, and Anee answers when a plant looks wrong.

  • Weeding days on the season calendar
  • Photos and notes for every lot
  • Anee, the smart farm technician, in Tagalog or English
Start free

Questions Farmers Ask About Balloon Vine

What is balloon vine called in Tagalog?
Many farmers call it parol parolan or lubo lobohan, names that point to its lantern or balloon shaped fruit. In other areas you may hear alalayon, bangkolon, paltu paltukan, parya aso or paspalya. Whatever you call it, the papery fruit and the climbing stems make it easy to know in the field.
How do I control this vine in my rice field?
Prevention comes first, so keep the levees and field edges clean. Then cut and pull young vines before they climb the rice, and remove them before the fruits dry. If you need a herbicide, choose one made for broadleaf weeds that fits the age of your rice. Always follow the FPA registered label, since a wrong spray can hurt the palay it climbs on.
Why should I pull a vine that looks so harmless?
Because it does not stay small. It climbs, spreads its leaves over the rice and shades the crop. Its weight can also pull rice stems down before harvest. On top of that, each fruit drops seeds that sprout next season. Pulling it early, before it climbs and fruits, saves you work and protects your palay.

Get Balloon Vine out of your field

With Libre + Anee, read the whole guide: how to tell it from your crop, and what to do and spray at every age of your crop.

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