Onopordum nervosum, called Moor's cotton thistle or reticulate thistle, is a species of flowering plant in the genus Onopordum native to the Iberian peninsula. It has gained the Royal Horticultural Society's Award of Garden Merit.
Scotch thistle has good disease resistance and is generally not prone to illnesses. However, it can be vulnerable to pests and diseases present in its environment. These infections are generally mild. Regarding care, this plant needs moderate maintenance. It should be pruned regularly to keep a pleasing appearance and support healthy growth. Applying fertilizer can also encourage flowering. Scotch thistle is appropriate for anyone with outdoor space, such as a garden or patio, and does not demand extensive plant-care experience. It may need more attention when kept indoors.
How to keep Onopordum Nervosum.
Light
Scotch thistle does best with abundant sunlight, which supports healthy growth, though it can tolerate spots with reduced light. It naturally comes from sunlit environments. Excessive or insufficient sunlight can damage its health, altering leaf color and the frequency of flowering.
Temperature
Scotch thistle is native to areas with moderate to high temperatures. It grows best between 68 and 95 °F (20 and 35 °C). Seasonal adjustments to replicate these conditions may be necessary for optimal growth.
Fertilizer
Scotch thistle requires regular fertilization to encourage flowering but is sensitive to overfeeding. It needs small, frequent applications of fertilizer throughout its life cycle, especially during the peak active growth period and while it is flowering. You will feed your Scotch thistle until they stop blooming.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Biennial, Annual, Perennial
- Genus
- Onopordum
- Family
- Asteraceae
- Hardiness Zone
- 5-9
- Mature Height
- 0.61 m to 1.22 m
- Mature Spread
- 91 cm
- Leaf Color
- Silver, Gray
- Leaf Type
- Evergreen
- Flower Color
- Purple, Lavender
- Flower Size
- 2.54 cm to 7.62 cm
- Bloom Time
- Early summer, Mid summer
- Planting Time
- Spring, Autumn
- Harvest Time
- Mid summer
- Native Area
- India, Austria, Turkey, Sweden, Slovakia, Montenegro, Pakistan, Croatia, Slovenia, Yemen, Belarus, Uzbekistan, Russia, Iraq, Germany, Jordan, Romania, Belgium, Moldova, Portugal, Netherlands, Saudi Arabia, France, Tajikistan, Czech Republic, Bulgaria, Armenia, Poland, Greece, Ukraine, Serbia, China, Norway, Afghanistan, Kyrgyzstan, Kazakhstan, Italy, Spain, Switzerland, Denmark, Finland, Iran, Albania, Ireland, United Kingdom, Hungary, Algeria, Azerbaijan, Turkmenistan
Other names.
