Lupinus stiversii is a species of lupine known by the common names harlequin annual lupine and harlequin lupine. The plant was named for Army physician Dr. Charles Austin Stivers, who first collected it in 1862 near Yosemite.
Harlequin lupine has good resistance to disease and is generally not prone to illnesses. However, it can be vulnerable to pests and diseases present in its environment. These problems are generally not serious. As for care, this plant requires moderate maintenance. It should be pruned regularly to keep a neat appearance and support healthy growth. Fertilizing can also help encourage flowering. Harlequin lupine is well suited for anyone with outdoor space, such as a garden or patio, and does not demand extensive gardening experience. It may need more attention when grown indoors.
How to keep Lupinus Stiversii.
Light
Harlequin lupine is a sun-loving perennial herbaceous plant native to open habitats and often found thriving in meadows and grasslands. It prefers full sun but can also tolerate partial sun.
Water
Harlequin lupine thrives in a range of moisture conditions and is moderately drought-tolerant. For optimal growth, it should be watered weekly. This plant is a popular choice for wildflower mixes because it adds vibrant color to gardens, especially in areas with seasonal wet weather. Its flowering cycle is synchronized with rainfall patterns, enhancing the garden's beauty during wetter periods.
Temperature
Harlequin lupine can tolerate a wide range of temperatures, but its distribution may still be restricted by different combinations of moisture and heat. It does best in warm summer climates with sufficient rainfall or watering. Extended periods of cloudy, rainy weather, as well as prolonged high temperatures, can raise the chance of Harlequin lupine dying. In winter, adequate protection against cold can increase the plant's survival rate.
Fertilizer
The best time to fertilize a Harlequin lupine is in early spring, as it is coming out of dormancy and beginning active growth. Fertilization supplies essential nutrients for healthy development. Although Harlequin lupine has relatively low fertilizer needs, treating it annually can improve its survival and encourage better, longer-lasting flowers.
Pruning
To help your Harlequin lupine thrive, prune it in early spring. This involves removing dead stems, thinning out crowded areas, and pinching young shoots for bushier growth. Such care promotes plant health and encourages flowering while keeping the plant looking its best. Be sure to use clean tools to prevent disease and maintain a vibrant garden specimen.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Lupinus
- Family
- Fabaceae
- Hardiness Zone
- 7-10
- Mature Height
- 1.52 m
- Mature Spread
- 49 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Deciduous
- Flower Color
- Purple, White, Yellow
- Flower Size
- 1.02 cm to 2.03 cm
- Bloom Time
- Mid spring, Late spring
- Planting Time
- Spring, Summer
- Harvest Time
- Early summer, Mid summer
Other names.
Reader questions.
What are the sunlight requirements for Harlequin lupine (Lupinus stiversii)?
The Harlequin lupine (Lupinus stiversii) needs specific sunlight conditions to flourish. Full sun exposure, defined as receiving more than 6 hours of direct sunlight daily, is vital for its growth. Alternatively, it can tolerate partial sun, which means it should get about 3-6 hours of sunlight per day. It is essential to observe the movement of sunlight through your garden throughout the day. Choosing locations that offer an optimal mix of light and shade will ensure your Harlequin lupine plants grow healthy and strong.
What is the botanical name of Harlequin lupine?
The botanical name of Harlequin lupine is Lupinus stiversii. This plant is known for its unique features and belongs to the Lupinus genus.
