Senecio Haworthii (Woolly Senecio)

Senecio Haworthii Image

Senecio Haworthii is a relatively rare succulent, a native of South Africa with beautiful foliage. It may be characterized as a dwarf shrub and some people consider it one of the most attractive plants in its genus. It was first described by Adrian Hardy Haworth in 1803 and it was later named in his honor.

Family:Asteraceae/ Daisy.
Scientific Name:Senecio.
Other Names:Cocoon Plant, Wooly Senecio, Kleinia Tomentosa, Cacalia Toementosa.
Growth Season:Spring to autumn.
Preferred Temperature:It produces the best foliage in temperatures between -4oC and 10oC (25-40oF). Also, it is moderately frost hardy and it can withstand temperatures as low as -7oC but not lower.
Hardiness Zone:USDA Zone 9b-11b.
Average Mature Height & Width:It rises to an average of 1 foot and a width of 2 feet in nature but it is usually shorter under cultivation.
Dormancy:It goes dormant when temperatures are either too hot or too cold.
Toxicity:Every part of this plant is toxic to humans and pets when ingested.
Senecio Haworthii Summary

Senecio Haworthii Physical Characteristics

This is a perennial dwarf shrub with branches. It has fleshy succulent leaves that form its greatest attraction. These leaves are upright and they overlap on the stem where they remain for many years before falling off they are usually spindle-shaped or cylindrical.

They are narrow on both ends measuring 4 cm on average. The leaves are white and have a unique and beautiful form. They have silver-white hairs that densely cover them making the plant exceedingly attractive.

Also, it produces a short, 1 cm inflorescence from which flowers grow. The flower color ranges from butter yellow to bright yellow but it rarely flowers in cultivation. The lack of flowers, however, doesn’t take anything from its attractiveness.

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Senecio Haworthii Care

The plant is opportunistic and will grow whenever the condition is right. Too much water and shade make the plant grow in an unruly form. You should water it regularly, about weekly during its growth. Avoid watering the leaves because they are velvety and they are likely to absorb some water predisposing the succulent to fungal leaf rot.  Also, don’t keep it in high-humidity areas.

It can survive in various types of substrate but the best possible is a cactus mix. The pot where you grow this succulent should have drainage holes to release excess water. It is advisable to feed this plant regularly during its growing season; at least once per month with water-soluble fertilizers that contain high potassium and phosphorus levels.

Senecio Haworthii Growth

This plant is ideal for growth in succulent gardens, Mediterranean gardens as well as container plants. It is by leaf and stem cuttings because it hardly ever produces seed. Just sticking the leaf or stem in moist soil in warm conditions will cause it to root in 2-6 weeks. Prune this succulent when it gets too leggy and unattractive or if it overgrows due to overwatering. You can use the pruned material to propagate.

Repotting is necessary every time it doubles in size. It is vulnerable to mealybugs and snails, they aren’t a major threat but you will need to watch out to avoid infestation.

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Richard Miller

Salute everyone. It's Richard, the author of this Succulent & Xeriscaping blog. I am a traveler and a nature lover looking for a connection with the wild green. In my journey, I found a love for succulents and xeriscaping. What attracts me is the long-lasting & unique beauty of every plant I have the chance to see with my own eyes. Welcome to my little blog and let's enjoy a good time together!

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