perennial

Mega Monkey Flower

Mimulus naiandinus 'Mega'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

15 inches

Light

Full Sun, Partial Sun

Zones

Water

Moderate to high

Humidity

Average

Lifespan

Tender perennial

Native To

Chile

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

This cultivar features bright yellow flowers with a unique shape, making it a standout in gardens. Mega is known for its robust growth and abundant flowering, more prolific than other Mimulus naiandinus varieties.

Uses & Benefits:

Bright, cheerful flowers enhance sunny gardens and containers, attracting pollinators and adding vibrant color.

Easy to grow and maintain, providing long-lasting blooms with minimal effort.

Supports local pollinators, such as bees and butterflies, contributing to garden biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and encourage rooting.
Transplant seedlings once they develop strong roots, about 6 weeks.
Water regularly to keep soil consistently moist but not waterlogged.
Fertilize monthly with a balanced liquid fertilizer during the growing season.
Prune lightly after flowering to promote bushier growth.

Pro Tip

Use well-draining soil and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Provide full sun for vibrant blooms 🌞
Keep soil moist but not soggy 💧
Deadhead spent flowers to encourage more blooms
Fertilize monthly during active growth

Don't

Avoid overwatering to prevent root rot ❌
Do not expose to prolonged frost
Avoid heavy, clay soils without amendments
Do not neglect pruning after flowering

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Pinch
Plant
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid border with bright yellow flowersContainer plant for sunny patiosWildflower garden accent

Companion Plants

Lavender Coreopsis Gaillardia Salvia Echinacea

Multiply

Propagation Methods

Good to Know

Common Questions

Mega Monkey Flower questions

What zones can Mega Monkey Flower grow in?

Mega Monkey Flower is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Mega Monkey Flower deer resistant?

Not reliably. Deer may browse Mega Monkey Flower, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Mega Monkey Flower bloom?

Mega Monkey Flower typically blooms in late spring to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Mega Monkey Flower need full sun?

Mega Monkey Flower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.