How to Grow Seep Monkeyflower
iNaturalist
Seep Monkeyflower
Mimulus guttatus
flowerSeep monkeyflower is a charming wildflower native to western North America, characterized by bright yellow snapdragon-like flowers with distinctive red or burgundy spots on the lower petals. It thrives in moist, marshy habitats and makes an excellent choice for bog gardens, wet meadows, and riparian landscaping. The plant is known for its prolific blooming and ability to naturalize in appropriate conditions.
When should you plant Seep Monkeyflower in your zone?
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Example Seep Monkeyflower timeline · Pittsburgh, PA (Zone 6b)
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Plant Seep Monkeyflower
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Seep Monkeyflower blooms
Around Jun 1≈ 45 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Seep Monkeyflower dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 4-8, with success possible in zone 3 with protection and in zone 9 with moisture and afternoon shade
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Germination & Seedling
2-3 weeksSeeds sprout within 7-14 days under moist conditions. Seedlings emerge with small oval cotyledons and develop true leaves rapidly.
Keep soil consistently moist but not waterlogged. Maintain temperatures of 65-75°F for best germination. Provide bright, indirect light. Do not bury seeds.
Vegetative Growth
3-4 weeksYoung plants develop a bushy habit with oval to lance-shaped leaves and multiple stems. Foliage is bright green and somewhat succulent.
Maintain moist soil conditions. Thin seedlings to 12 inches apart. Fertilize every 2-3 weeks with diluted balanced fertilizer if soil is poor. Pinch stems early to encourage bushiness.
Flowering
6-12 weeks (or longer with deadheading)Abundant snapdragon-like flowers appear in terminal racemes. Flowers are bright yellow with red or burgundy spotting on the lower lip and throat, often with red stripes.
Maintain consistent moisture; flowering is prolonged with adequate water. Deadhead spent flowers regularly to encourage continued blooming. Avoid allowing soil to dry out.
Seed Development & Decline
3-4 weeks to mature seedsIf not deadheaded, plants produce small, elongated seed capsules that mature from green to brown. Plants may begin to decline or become leggy as energy goes to seed production.
Allow some flowers to set seed for self-sowing if desired, or deadhead to extend flowering. In cool climates, plants may persist into fall; in warm areas, they may decline as temperatures rise.
Dormancy/End of Season
Variable, typically 2-3 monthsIn cold climates, plants typically die back after frost. In mild areas, they may persist but become dormant or decline during hot, dry summers.
Allow seed heads to mature and drop for self-sowing next season. In zones 3-4, provide winter mulch if attempting to overwinter. In zones 8-9, provide afternoon shade and consistent moisture to prevent summer decline.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; maintain good air circulation; remove heavily infested leaves
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Increase humidity and moisture; spray with water; apply neem oil if severe; typically less problematic in consistently moist conditions
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Spray with strong water stream; use insecticidal soap; encourage natural predators like ladybugs
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and
Remove by hand; create barriers with copper tape; encourage ground beetles; apply diatomaceous earth around base
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Ensure good air circulation; avoid wetting foliage; spray with sulfur or potassium bicarbonate if needed; typically less problematic in open areas
Uses
Edible Flowers
CulinaryThe bright, spotted flowers are edible with a slightly sweet flavor and are used as garnish in salads and desserts. They add visual interest and a delicate taste to culinary presentations. [source]
Traditional Herbal Use
MedicinalNative Americans and herbalists have historically used monkeyflower species for respiratory and throat conditions, though modern scientific validation is limited. The plant contains various phytochemicals with potential anti-inflammatory properties. [source]
Cut Flowers
HouseholdThe long-lasting, colorful flowers are excellent for fresh floral arrangements and bouquets, providing weeks of bright color in a vase with regular water changes. [source]
Pollinator Support
WildlifeSeep monkeyflower is highly attractive to bees, hummingbirds, and other pollinating insects, making it an excellent choice for pollinator gardens and native plant landscapes in wetland areas. [source]
Flower Pressing & Drying
CraftThe brightly colored flowers press well and retain their color, making them suitable for pressed flower crafts, scrapbooking, and botanical art projects. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Seep monkeyflower is primarily ornamental and not harvested for food. For seeds, allow flowers to fade and seed capsules to mature on the plant (3-4 weeks). Collect dried capsules before they split and scatter seed naturally. Deadhead regularly during the growing season to maximize flowering duration.
Fun Facts
- 🌱 The common name 'monkeyflower' derives from the distinctive spotted throat pattern and shape of the flower, which resembles a grinning monkey's face with its mouth open.
- 🌱 Seep monkeyflower is one of the few flowering plants that can thrive in mineral-rich seepage areas where water flows year-round, and it's commonly found growing on wet rocks and stream banks in its native Pacific Northwest habitat.
- 🌱 The plant is an excellent model organism for studying plant genetics and evolution; it has been extensively studied by botanists to understand flower color variation, pollinator adaptation, and speciation in plants.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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