Designed for larger potted plants
The XL cones are intended for houseplant pots above approximately 15 cm and for balcony plants with higher water demand.
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Updated 3 months ago
Blumat XL Self Watering Spikes
Large ceramic self-watering cones designed for bigger potted plants and higher water demand. They use a remote reservoir and capillary action to maintain moisture.
General Information
BrandBlumat
NameBlumat XL Self Watering Spikes
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Product Highlights
Adjustable watering flow
Raise or lower the external water container to adjust the XL water release rate, from about 75 to 200 ml per 24 hours depending on its position.
Remote-reservoir watering setup
Each clay cone is inserted near the roots and connected by a thin tube to an external water container for indoor or outdoor use.
Blumat XL Self Watering Spikes are large clay watering cones for bigger potted plants and higher water demand, using a thin tube and external reservoir to supply water by capillary action.
Media Reviews
Bob Vila
The Best Automatic Plant Waterers of 2026, Tested and Reviewed
The reviewer found the Blumat Classic stakes to be a simple, reliable, and gravity-powered solution for hydrating indoor plants. While they noted that dialing in the reservoir height requires some experimentation, they considered the stakes a high-value, cost-effective option.
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Guided Review
Blumat Classic Plant Watering Stakes: Your Vacation Savior!
The review highlights the Blumat Classic system as a reliable, user-friendly, and efficient automatic watering option. The editors praised its straightforward design, ease of installation, and consistent performance in monitoring soil moisture, making it a top choice for both indoor and outdoor plant care.
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Waterlyst
Top 8 Self Watering Planter Inserts for Indoor and Outdoor
The reviewer characterizes the Blumat Classic stakes as a convenient and efficient automatic watering solution that successfully prevents common overwatering and underwatering issues. The system is noted for being versatile, adaptable to different plant types, and easy to set up.
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Perfect Gardens
Automatic Watering Stakes vs. Blumat Systems: Which One Actually Works – Perfect Gardens
The review compares Blumat systems favorably against basic watering stakes, noting that while they require more upfront investment and time for calibration, they offer the precision and reliability needed for serious indoor gardening. The author recommends them as a superior long-term choice for maintaining healthy plants.
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Video Analysis
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Attributes
| Attribute | Specification | Notes |
|---|---|---|
| Adjustability | Yes | |
| Capacity | 1000 ml | ml |
| Dimensions | 15.24 x 5.08 x 15.24 cm (item dimensions) | |
| Indoor Outdoor Use | both | |
| Installation Method | stake/spike (clay cone) inserted into the soil near the roots; connected by a thin tube to an external water container/reservoir | |
| Material | clay | |
| Plant Compatibility | indoor plants, balcony plants (XL version), potted plants (houseplant pots; pot sizes above approx. 15 cm for XL), balcony/patio planters or balcony boxes when multiple units are installed | |
| Watering Duration | 7 days | days |
| Water Release Rate | adjustable by positioning the water container higher/lower; approx 125 ml/24 h (XL) in ideal position, reduced to 75 ml/24 h (XL) when reservoir level is significantly lower, and up to 200 ml/24 h (XL) when reservoir level is higher than the green cap |
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