Mimulus ‘Pumpkin’ (also known as Diplacus ‘Pumpkin’) is a California native monkeyflower selection introduced by San Marcos Growers and valued for its compact habit, extended bloom season, and distinctive pumpkin-orange flowers. Derived from California native Mimulus (Diplacus) species, this evergreen subshrub combines the drought tolerance and adaptability of native monkeyflowers with a flower color that is uncommon among California native landscape plants.
Habit & Size: Forms a dense, rounded evergreen shrub approximately 2–3 feet tall and wide with small, dark green foliage. From spring into summer, plants produce abundant pumpkin-orange flowers that attract hummingbirds, native bees, butterflies, and other pollinators. Flowering is typically heaviest in spring but may continue intermittently under favorable conditions.
Cultural Requirements: Performs best in full sun along the coast and light shade in hotter inland locations. Adapted to a variety of well-drained soils and benefits from occasional irrigation during establishment. Once established, plants are drought tolerant and well suited to Southern California landscapes, including coastal gardens, inland valleys, slopes, and low-water plantings. Like many California monkeyflowers, plants often assume a partially summer-dormant character during hot weather, particularly in inland locations. In inland Southern California landscapes, this natural response is frequently mistaken for drought stress, leading to increased irrigation that can shorten plant life or contribute to root rot and decline. Best performance is achieved with low to occasional irrigation after establishment and excellent drainage.
Landscape Uses: An excellent choice for California native gardens, pollinator gardens, hummingbird gardens, slopes, habitat plantings, coastal sage scrub plantings, and water-wise landscapes. Useful in Southern California and Los Angeles County landscapes where seasonal color and habitat value are desired. The rich pumpkin-orange flowers distinguish this selection from the more common yellow, red, and pink monkeyflower cultivars and pair particularly well with gray-foliaged California natives such as Artemisia californica, Eriogonum fasciculatum, and Salvia clevelandii selections.
Identification Note: Distinguished by its rich pumpkin-orange flowers, compact habit, and extended bloom season, characteristics that are uncommon among California native monkeyflower selections.
Pests and Cultural Considerations: Generally low maintenance when grown in well-drained soils. Mealybugs may occasionally occur, particularly in nursery production or densely planted situations. Aphids may be present on new growth and flower buds. Root rot can develop in poorly drained soils or where summer irrigation is excessive. California monkeyflowers are often relatively short-lived subshrubs, and longevity may be reduced by frequent summer watering, poor drainage, or heavy soils. Periodic pruning after the primary bloom cycle helps maintain a dense habit and encourages vigorous new growth. Best performance is achieved with good drainage, adequate air circulation, and low to occasional irrigation once established.
- Common Name:
- Bush Monkeyflower
- Mature Height:
- 2-3'
- Mature Spread:
- 2-3'
- Exposure:
- Sun/Part Sun
- Growth:
- Summer Dormant
- Flower Color:
- Bright Orange
- Soil:
- Well drained required
- Foliage Color:
- Green
- Flower Time:
- Spring
