白鯨龍舌蘭

白鯨龍舌蘭的基本資料

栽培難度

適合中級者

體型

20-50cm rosette

適宜溫度

5〜40℃（適温15〜35℃）

澆水

Water: when dry in spring/fall / reduce in summer / monthly in winter

Soil

Akadama:Hyuga:Pumice 1:1:1. Prioritize drainage

Light

Direct sunlight recommended. Supplement with LED indoors

Rooting

Bare root: water culture → soil planting in two stages

Notes

Susceptible to rot. Ensure airflow in rainy season. Bring indoors in winter

關於白鯨龍舌蘭

Agave titanota originates from the rocky slopes and cliffs of Oaxaca, Mexico, where it grows in harsh, well-drained terrain. The plant's signature feature — dense, bold white teeth lining the leaf margins — gives it a sculptural, almost architectural quality that captivates succulent enthusiasts worldwide. Leaves range from blue-grey to silvery white and intensify in color under strong light. Because leaf width, tooth shape, and overall silhouette vary considerably depending on collection site and selective breeding, dozens of named clones have emerged over the years, including Hakugei, Himeganryu, and FO-076, driving an active collector community. Titanota's manageable size, exceptional drought tolerance, and striking appearance make it one of the most accessible yet rewarding agaves to cultivate on a balcony or windowsill.

販售白鯨龍舌蘭的精選生産者

開始照料白鯨龍舌蘭前需要了解的7件事

1. 1Loves Full Sun

   Titanota thrives in intense, direct sunlight year-round. Outdoors, a south-facing spot with unobstructed sun is ideal; indoors, place it at the brightest window available. Insufficient light causes etiolation, stretching the plant and diminishing its characteristic compact, sculptural shape.

2. 2Water Sparingly

   During the growing season (spring to autumn), water only after the soil has dried out completely, then wait a few extra days before watering again. In winter, reduce watering to roughly once a month to prevent root rot. Never leave water sitting in the saucer, and always ensure good drainage.

3. 3Use Fast-Draining Soil

   Mix a commercial cactus/succulent soil with 30–50% pumice or small-grain akadama to achieve excellent aeration and drainage. General-purpose potting mix retains too much moisture and significantly increases the risk of root rot. Place a layer of pumice at the bottom of the pot to keep drainage channels clear.

4. 4Moderately Cold-Hardy

   Among agaves, titanota is relatively cold-tolerant and can sometimes overwinter outdoors down to around −5°C with light frost. However, prolonged freezing temperatures or heavy snow can cause damage, so moving plants under eaves or into a simple cold frame during the depths of winter is advisable. Note that potted plants are more vulnerable to cold than in-ground plants.

5. 5Watch Out for the Teeth

   The terminal spine at the leaf tip and the marginal teeth along the leaf edges are extremely sharp and can cause deep puncture wounds if handled bare-handed. Always wear thick gloves when repotting or moving the plant, and keep it out of reach of children and pets. If punctured, clean the wound thoroughly and seek medical attention if needed.

6. 6Slow but Steady Growth

   Titanota grows slowly, and it is not unusual for visible size increases to take several years after purchase. Over-fertilizing can soften the leaves and diminish their characteristic firm, rigid texture. During the growing season, a diluted liquid fertilizer applied once or twice a month is sufficient.

7. 7Price Varies by Lineage

   Prices for titanota vary enormously depending on lineage and origin — named selections such as "Hakugei," "FO-076," and "Himeganryu" can range from a few thousand yen for common forms to tens of thousands or more for rare specimens. Purchase from reputable breeders or specialist shops and ask about the plant's documented origin or lineage. Starting with more affordable, widely available forms is a practical way to learn cultivation before investing in premium selections.

白鯨龍舌蘭的常見問題

Q.Can titanota be grown indoors?

A.Titanota can be grown indoors if light levels are high enough, but insufficient sunlight will cause etiolation and loss of the plant's characteristic compact form. Place it at a south-facing window or use a grow light to supplement natural light.

Q.What is the difference between named selections?

A.Named selections like Hakugei and FO-076 differ in tooth thickness, leaf width, and color due to variations in collection site, parent plant, and breeder selection. Even within the same name, individual plants can vary, so checking the lineage before purchase is advisable.

Q.When and how often should I repot?

A.Repot when roots emerge from the drainage holes or the plant has grown to roughly the same size as its pot. Spring (April to May) is the best time. Gently trim old roots, move to a pot one size up, and avoid disturbing the roots excessively. Repotting every two to four years is typically sufficient given the plant's slow growth.

Q.How do I propagate titanota?

A.Titanota occasionally produces offsets (pups) at the base, which can be separated and potted once they have developed some size. Seed propagation is possible but very slow, and seedlings may not reliably express the traits of a named selection. Dividing offsets is the most reliable method for propagating a specific clone.

白鯨龍舌蘭栽培的實用工具

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