Mini terracotta ollas for bottles, set of 2
Regular price
2,400.00 RSD
Regular price
Sale price
2,400.00 RSD
Unit price
/
per
800.00 RSD × 3 with no fees
Klarna.
These two terracotta spikes, 18 cm long, accept the neck of an inverted bottle: pushed into the compost, they allow water to seep through the clay as the soil dries out. They fit two pots, each with its own bottle.
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The summary
- What you receive: 2 terracotta spikes, 18 cm long.
- The reservoir: a long-necked bottle, inverted into the opening.
- Installation: dig a hole, insert the spike, fit the bottle, keep it upright.
- Winter: bring the spikes in before the first frost and store them somewhere dry.
Two 18 cm terracotta spikes that turn a bottle into a water reservoir
The terracotta mini ollas for bottles, pack of 2, are 18 cm watering spikes that turn a long-necked bottle into a water reservoir for a pot. Pushed into the compost, each spike lets water seep through the clay as the soil dries. The pot needs to be around 20 cm deep.
These two terracotta spikes turn a long-necked bottle into a watering reservoir for a pot. The neck of the full bottle slots into their opening, the spike is pushed into the compost, and water seeps into the soil through the terracotta at the rate it dries out.
📏 Two 18 cm spikes
Each spike measures 18 cm long by 4.5 cm wide at its opening, with a six-sided body that tapers to the tip. This length calls for a pot deep enough to bury most of the spike, because it is the buried part that releases the water into the compost, and a few centimetres of soil must be left beneath the tip. Your pot should therefore be about twenty centimetres deep, whereas a very shallow planter will leave too much clay above ground.
🍷 The bottle acts as the reservoir
How long it lasts depends mostly on the bottle you put in it: with the same pot and season, a 1-litre bottle lasts twice as long as a 50 cl bottle. A glass bottle, such as a rinsed wine bottle, works well because its weight and long neck keep it steady in the opening. The movement of the water follows the tension of the potting mix: a drying mix draws water through the clay, while a damp mix takes up almost none.
Dig
Use your finger or a dibber to make a hole slightly shallower than the spike, next to the root ball.
Insert the spike
Slide the spike into the hole, then firm the compost by hand all around the clay.
Inserting the bottle
Fill the bottle, invert it in one smooth movement and push its neck into the opening.
Keep upright
Check that the whole assembly sits perfectly upright, with the bottle resting on the clay.
Moving from two pots to the whole balcony
Beyond a dozen or so pots, the solar irrigation kit waters the whole balcony from a single reservoir. Its pump draws from a bucket or a rainwater butt and feeds 15 drippers, each adjustable individually, using 12 preset programmes. The stakes are then still useful on isolated pots that the pipe does not reach.
Loosen the compost before pushing in the probe
A clay spike forced into compacted growing medium, or against a thick root, snaps cleanly at its thinnest point, that is, near the tip. First open the hole with your finger or a dibber, on the side of the root ball rather than through it, then slide the spike in without forcing. If you meet resistance, move a few centimetres to one side.
♻️ Two pots to try it out
Clay watering does not give the same result in every pot, since a peaty compost, coir and garden soil do not carry water in the same way. Two spikes let you fit out two plants and observe over a few weeks how quickly your bottles empty. If the result suits you across several pots, the clay watering cones, which are shorter, are sold in lots of 4 to 20 to equip a whole terrace.
🧊 Winter and limescale
Terracotta saturated with water can crack when it freezes, so bring the spikes indoors before the first frosts if your pots spend the winter outside: rinse them, let them dry completely and store them somewhere dry. Over time, the minerals in the water also build up in the pores of the clay and slow down diffusion. When a bottle hardly empties any more even though the compost is dry, soak the spikes in diluted white vinegar, then rinse them thoroughly. The guide to watering your plants with an olla explains the principle in detail.
Technical specifications
The essentials
- Contents
- 2 watering spikesEnough to fit two pots, each with its own bottle.
- Dimensions
- 18 cm x 4.5 cmOverall length and width at the opening. Allow for a pot of approximately 20 cm in depth.
- Shape
- Hexagonal body, tapered tipThe spike pushes into loosened compost.
- Material
- Porous terracottaWater passes through the wall as the compost dries out.
To budget for separately
- Bottles
- Long-necked, rinsedA glass wine bottle works well and acts as the reservoir.
- White vinegar
- For descalingWhen drainage slows noticeably even though the compost is dry.
In the box
- 2 porous terracotta watering spikes
Contents and dimensions: product visuals, recorded on 07/10/2026.
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About 230 g of clay for the two stakes, packed separately because the tip is the fragile point. The exact cost is shown in the basket.
Frequently asked questions
8 questions
6 key questions, 8 in the detailed view
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