Allium Lusitanicum
The Mountain Onion, often known by its scientific name Allium lusitanicum, is a resilient beauty that thrives where other plants give up. Native to the rocky slopes and sunny hillsides of Europe, it brings a splash of lilac-pink to rugged landscapes. It is a favorite for rock gardens because of its "tough-as-nails" personality and elegant, globe-shaped blooms that dance on slender stems.
Despite its name lusitanicum (referring to Lusitania, or modern-day Portugal), this plant is a wide-ranging traveler found from the mountains of Spain all the way to Central Europe. It is considered a "relict" species in some areas, meaning it has survived in specific rocky pockets since the end of the last Ice Age!
To grow Allium lusitanicum or Portuguese garlic, follow these steps:


To properly fertilize Allium Lusitanicum, follow these instructions:
Allium Lusitanicum prefers well-draining soil that is fertile and rich in nutrients. The soil should have a neutral to slightly alkaline pH level, ideally between 6.0 and 7.5. It is also important that the soil is loose and not compacted, as the plant's roots need to be able to spread easily.
To achieve the ideal soil conditions for Allium Lusitanicum, you can mix in compost or well-rotted manure to improve soil structure and add nutrients. Adding perlite or vermiculite can also improve drainage and prevent waterlogging.
It is important to note that Allium Lusitanicum is sensitive to high levels of phosphorus in the soil, so it is recommended to avoid fertilizers that are high in this nutrient. Instead, use a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium.
Overall, creating a well-drained, fertile, and slightly alkaline soil will provide the best growing conditions for Allium Lusitanicum.
Propagation of Allium Lusitanicum plants can be achieved through a variety of methods including division, seed sowing, and bulbils. Here's a detailed guide on each method:
Explore plants with similar care requirements