Ollas Poto for Planting
  • Ollas Poto for Planting
  • Ollas Poto for Planting
  • Ollas Poto for Planting
  • Ollas Poto for Planting
Transfarmers
[ OP/35/N ]

Ollas Poto for Planting

Size M - Natural

See description
5,0 1 reviews
  • Handmade terracotta water diffuser crafted in France, near Castelnaudary.
  • Self-watering made easy: water seeps slowly through the porous terracotta for optimal hydration.
  • Micro-porosity system ensures regulated watering, with no excess or waste.
  • Inspired by Fibonacci curves for a harmonious, natural design.
  • Three curved legs keep it stable and ensure even water distribution.
SIZE Size M
Ollas Poto for Planting

Size M

Ollas Poto for Planting

Size L

Ollas Poto for Planting

Pack of 3, size S

COLOR Natural
$13.95

€12.42 · Payment in euros · prices in USD at today's exchange rate

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  • Description
  • Technical data sheet
  • Guide & FAQ5
  • Customer reviews1

Poto is a natural terracotta water diffuser (or olla) with a cork stopper, handcrafted in France near Castelnaudary.

Set it in the soil next to your plant, fill it with water, and let nature do the rest. Thanks to the natural pores of the terracotta, water seeps slowly and directly into the soil, right at the roots, for self-watering that's just right.

Poto - terracotta water diffuser (or olla)

Each piece is handcrafted: slight variations in color and texture make every Poto unique.

How it works

Once buried, Poto releases water gradually through micro-porosity. The soil absorbs only the amount it needs based on its moisture level, ensuring regulated watering without excess or waste.

Its three curved legs let it stand upright on its own, providing stability and even water distribution throughout the soil.

Using ollas in a potted plant

A useful... and decorative object

Inspired by the endless curves of the Fibonacci sequence, Poto echoes the harmonious natural shapes found in Romanesco broccoli, pine cones, and the center of flowers.

When it's not being used for watering, it becomes a true decorative piece: displayed on a shelf, filled with dried flowers, or simply showcased on its own.

The 3 sizes of Poto

The 3 available sizes

Model S – Small
Ideal for small pots and young plants.

  • Capacity: 6.1 fl oz (18 cl).
  • Lasts: 3 to 5 days.
  • Dimensions: H 4.7 in x Ø 2.8 in (H 12 cm x Ø 7 cm).
  • Minimum pot diameter: 5.9 in (15 cm).
  • Weight: approx. 4.6 oz (130 g).

Model M – Medium
Perfect for medium-sized houseplants.

  • Capacity: 11.8 fl oz (35 cl).
    Lasts: about 7 days.
  • Dimensions: H 5.5 in x Ø 3.5 in (H 14 cm x Ø 9 cm).
  • Minimum pot diameter: 7.9 in (20 cm).
  • Weight: approx. 10.6 oz (300 g).

Model L – Large
Suitable for pots at least 9.8 in (25 cm) in diameter.

  • Capacity: 25.4 fl oz (75 cl).
  • Lasts: up to 10 days.
  • Dimensions: H 6.7 in x Ø 4.1 in (H 17 cm x Ø 10.5 cm).
  • Minimum pot diameter: 9.8 in (25 cm).
  • Weight: approx. 14.1 oz (400 g).

Care

If, after a few years, water seeps out more slowly (mineral buildup), soak your Poto for a few hours in a mixture of water and white vinegar to dissolve the deposits.

❄️ Winter precaution
Watch out for frost: repeated freeze-thaw cycles can weaken terracotta. We recommend bringing your Potos indoors for the winter.

Technical specifications Ollas Poto for Planting
Brand Transfarmers
Reference OP/35/N
Color Natural
Size Size M
Overview
Product typePlant-in water-diffusing olla
UseIndoor and outdoor
Capacity
Capacity / weight0.35 liter depending on size
Self-watering durationApprox. 7 days depending on size
Minimum pot diameter7.9 inches (20 centimeters) depending on size
Use and storage
PrecautionsNot frost-proof: bring indoors in winter
Dimensions and material
MaterialCeramic
MaintenanceDescale by soaking for a few hours in water + white vinegar
Overall dimensionsLength 3.5 x Depth 3.5 x Height 5.5 inches (9 x 9 x 14 cm)
Weight12.3 ounces (350 grams)
Manufacturing
ManufacturingHandmade near Castelnaudary
Country of manufactureFrance
Box contents and warranty
Package contents1 diffuser with cork stopper depending on size
Warranty2 years

Your questions about the Ollas Poto

The farm's answers to the questions our customers ask us most often.

The Poto olla is a water diffuser made from natural terracotta, handcrafted in France near Castelnaudary. Planted next to your plant and filled with water, the Poto slowly releases water through its micropores, directly into the soil at root level. The soil absorbs only what it needs, so watering regulates itself, with no excess or waste. Its 3 curved feet let it stand upright on its own, for even diffusion throughout the pot.

Choose based on the diameter of your pot:

  • Poto S (6.1 fl oz / 18 cl, 4.7 in / 12 cm tall): for pots at least 5.9 in (15 cm) in diameter, small plants, and seedlings;
  • Poto M (11.8 fl oz / 35 cl, 5.5 in / 14 cm tall): for pots at least 7.9 in (20 cm) in diameter and medium-sized houseplants;
  • Poto L (25.4 fl oz / 75 cl, 6.7 in / 17 cm tall): for pots at least 9.8 in (25 cm) in diameter.

The Poto is designed for potted plants, indoors or on the balcony: the S model for small pots and young plants, the M for medium-sized houseplants, and the L for pots 9.8 in (25 cm) and larger. The Poto olla is especially well suited to plants that like cool, consistently moist soil, such as herbs. Indoors, it works year-round; outdoors, simply move it to a sheltered spot for the winter. And in the off-season, it doubles as a lovely decorative piece.

The easiest way is to plant the Poto olla when you repot, halfway between the plant and the edge of the pot, pushing it in up to the neck: the opening should stay above the soil. Give the surrounding soil an initial watering, then fill the Poto with water and close it with its cork stopper, which limits evaporation and keeps dirt out. After that, just refill it before it runs dry.

Depending on the Poto model, expect about 3 to 5 days for the S, about 7 days for the M, and up to 10 days for the L. These times vary with the plant, the size of the pot, the heat, and the amount of sun: in hot weather, the soil dries out faster and the Poto empties more quickly. Refill it before it runs completely dry.

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Customer reviews for Ollas Poto for Planting

5,0 /5
1 reviews · 100 % verified reviews
including 1 from other countries, translated
1 reviews
DavidFRLabastide-Du-Vert
Verified Purchase
Olias19/10/2026
Model: Pack of 3, size S · NaturalLocation: Balcony, patio, Greenhouse, sunroomWhich plants?: Flowers, Houseplants, Seedlings, young plantsTime without watering: 3 to 7 daysSize for your needs: Just right
Automatic translation from French

Mainly useful when you want to make sure your plants get watered while you're away

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Reviews are published after an automated check, with no filtering by rating. “Verified purchase”: review linked to a delivered order. Reviews may be rewarded with loyalty points, regardless of the rating. Reviews from other countries are automatically translated.

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