Notocactus Uebelmannianus

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Notocactus Uebelmannianus
Notocactus Uebelmannianus
Notocactus Uebelmannianus

Notocactus Uebelmannianus

The Notocactus Uebelmannianus, now classified among Parodia, is a globular cactus highly appreciated for its perfect aesthetics, spectacular flowering, and ease of cultivation. Its compact habit, regular ribs, and oversized flowers make it a prime choice for any cactus collection.

This cactus has a spherical to slightly flattened body, deep green in color, sometimes tinged with purplish hues when heavily exposed. It develops between 11 and 18 broad, flat, well-defined ribs, bearing regular areoles from which emerge fine radial spines ranging from yellow to brown, often short and flexible. Its regular, almost symmetrical shape makes it highly graphic.

Flowering is undoubtedly one of the greatest assets of the Notocactus Uebelmannianus. From spring onwards, mature specimens produce very large cup-shaped flowers, golden yellow or sometimes pale yellow with an orange center. These flowers, reaching up to 6 cm in diameter, emerge in a crown at the top of the cactus and last several days.

The Notocactus Uebelmannianus is native to Brazil, more specifically the mountainous regions of Minas Gerais, where it grows on sun-exposed rocky outcrops in poor but very well-drained substrates.
Abundant light is essential to maintain the compact shape of the Notocactus Uebelmannianus and to promote flowering.

🌞 Full sun: Place it in direct morning or evening sunlight. It can tolerate light shade during the hottest hours.

🌤️ Indoor cultivation: South-facing window or grow light. Proper exposure determines flower quality.

☁️ Insufficient light: Causes etiolation and overall weakening of the plant.
Like most Notocactus, this species requires moderate watering, always spaced out and adapted to the season.

🌱 Spring / summer: Water every 2 to 3 weeks, only when the substrate is completely dry.

🍂 Autumn / winter: Greatly reduce or completely stop watering if temperatures fall below 12 °C.

⚠️ Important: Never water if the plant is cold and damp. The risk of rot is high.
The Notocactus Uebelmannianus enjoys warmth and tolerates temperature variations relatively well.

🌡️ Ideal range: 20 °C to 28 °C.

❄️ Cold tolerance: Down to 5 °C if the substrate is dry. Frost must be strictly avoided.

🏠 Tip: In winter, a cool and bright place encourages dormancy and stimulates spring flowering.
A mineral, well-drained soil is essential for the success of this species.

🪨 Recommended substrate: 50 % cactus substrate + 50 % draining material (pumice, perlite, gravel).

🧪 Tip: An unglazed terracotta pot allows better moisture evaporation.
The flowering of the Notocactus Uebelmannianus is spectacular and relatively easy to obtain.

🌸 Period: From spring to summer, depending on conditions.

🎨 Flowers: Bright yellow, sometimes slightly orange at the center, open cup-shaped.

🌿 Specificity: Flowers appear in a crown at the top of the plant and last several days.

FAQ - Notocactus Uebelmannianus

Is Notocactus Uebelmannianus easy to make flower?
Yes, if it receives enough light and benefits from a dry winter rest, it flowers abundantly each spring.
What substrate is best suited for Notocactus Uebelmannianus?
A cactus substrate mixed with 50% draining components is ideal to prevent water stagnation.
How often should Notocactus Uebelmannianus be watered in summer?
Every 2 to 3 weeks, allowing the substrate to dry thoroughly between waterings.
Can Notocactus Uebelmannianus be grown indoors?
Yes, provided it is given a bright location or a suitable grow light.
Why is my Notocactus Uebelmannianus not flowering?
Possibly due to insufficient light, lack of dry winter rest, or the absence of a suitable fertilizer during the growing season.
Does Notocactus Uebelmannianus tolerate cold?
Only if the substrate is perfectly dry, and never below 5°C.
Should Notocactus Uebelmannianus be repotted often?
Every 2 to 3 years is sufficient. Use a suitable pot and a good layer of drainage at the bottom.
Is this cactus suitable for beginners?
Yes, it is a robust, low-maintenance species, ideal for starting with Notocactus cultivation.
Does Notocactus Uebelmannianus produce fruit after flowering?
Yes, if the flowers are pollinated, they can produce small elongated fruits containing seeds.
What is the lifespan of Notocactus Uebelmannianus?
It can live for several decades, sometimes forming lateral offsets as it ages.

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