Lupinus lepidus, the Pacific lupine, prairie lupine or dwarf lupine is a perennial herbaceous plant in the pea family (Fabaceae) endemic to western North America. Many varieties have been described, several of which are considered separate species by some authorities.
Pacific lupine is fairly resistant to disease and is generally not easily affected by illnesses. However, it can be vulnerable to pests and diseases present in its surroundings. These infections are generally mild. In terms of care, this plant needs a moderate amount of maintenance. Regular pruning is required to keep a good appearance and support healthy growth. Fertilizing can also help encourage flowering. Pacific lupine is suitable for anyone with outdoor space, such as a garden or patio, and does not demand extensive care experience. It may need more attention when grown indoors.
How to keep Lupinus Lepidus.
Light
Pacific lupine is a sun-loving herbaceous perennial native to open habitats, commonly found thriving in meadows and grasslands. It prefers full sun but can also tolerate partial sun.
Water
Pacific lupine, native to the well-drained soils of western North America, thrives in environments with moderate moisture and good drainage. While it can withstand moderate drought, it requires weekly watering. Ideally suited for outdoor growth, it flourishes under natural light and varying temperatures. During its active growing season, increased watering is essential to support flowering.
Temperature
Pacific lupine can tolerate a wide range of temperatures, but its distribution may still be restricted by different combinations of moisture and heat. It performs best in warm summer climates with sufficient rainfall or irrigation. Extended periods of cloudy, rainy weather, as well as prolonged high temperatures, can raise the likelihood of Pacific lupine dying. In winter, appropriate protection from cold can improve the plant's survival rate.
Fertilizer
The best time to fertilize a Pacific lupine is in early spring, when it is coming out of dormancy and starting active growth. Fertilizing supplies essential nutrients for healthy development. Although Pacific lupine needs relatively little fertilizer, an annual application can improve its survival and encourage better, longer-lasting blooms.
Pruning
The Pacific lupine is known for its vibrant flowers and dense growth. To keep the plant healthy, prune it in early spring to remove any dead stems. This not only promotes bushier growth but also helps prevent disease. Additionally, regular deadheading of the flowers can extend the blooming season. By aligning your care with the plant's natural growth cycle, you can enhance both its vigor and flowering.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Lupinus
- Family
- Fabaceae
- Hardiness Zone
- 4-8
- Mature Height
- 10 cm to 20 cm
- Mature Spread
- 49 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Color
- Purple, Blue, Pink
- Flower Size
- 1.02 cm to 1.52 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring, Summer
- Harvest Time
- Mid summer, Late summer, Early fall
Other names.
Reader questions.
What are the sunlight requirements for Pacific lupine?
Pacific lupine, or Lupinus lepidus, thrives in conditions that meet specific sunlight requirements. Full sun exposure, defined as receiving above 6 hours of sunlight daily, is ideal for these plants. However, they can also flourish in partial sun, which entails about 3-6 hours of sunlight each day. It's important to observe how sunlight moves through your garden throughout the day. Choosing the right spots that provide a perfect balance of light and shade will ensure the health and happiness of your Pacific lupine plants.
What is the botanical name of the Pacific lupine?
The botanical name of the Pacific lupine is Lupinus lepidus.