
Tennessee Leafcup
Polymnia laevigata
Grow Time
90-120 days
Sunlight
Partial Shade to Full Sun
Watering
Every 5-7 days
Toxicity
Non-toxic
How to plant Tennessee Leafcup: Step-by-Step Guide
Growing Guide
Preparation

Hey there, green thumb in training! Tennessee Leafcup is a beautiful and unique plant that’s perfect for adding some texture and color to your garden. Before we get started, here's what you'll need:
- Seeds or young plants: You can either start with seeds (if you're feeling adventurous) or small starter plants from a nursery.
- Soil: This plant loves well-draining soil. If your soil is heavy clay, mix in some sand or compost to loosen it up.
- Location: Tennessee Leafcup thrives in partial shade to full shade, so find a spot that gets filtered sunlight or only a few hours of morning sun.
- Tools: A small trowel, watering can, and gloves will do the trick.
When to Start: Spring is ideal! Wait until after the last frost when the soil has warmed up a bit. If you’re starting indoors, begin about 6-8 weeks before the last expected frost.
Tip: If you're unsure about the soil quality, grab a bag of all-purpose potting soil just to give your Tennessee Leafcup a good start!
Planting

If using seeds:
- Fill small pots or seed trays with moist soil.
- Sprinkle the seeds on top of the soil—don’t bury them too deep; just lightly press them into the surface.
- Water gently, keeping the soil damp but not soaking wet.
- Place the pots in a shaded area where they won’t get direct sunlight.
- Germination usually takes around 2-3 weeks. Be patient!
If using young plants:
- Dig a hole slightly larger than the root ball of the plant.
- Gently place the plant into the hole, making sure the top of the root ball is level with the ground.
- Backfill the hole with soil and pat it down gently to remove air pockets.
- Water thoroughly right after planting.
Spacing Tip: If you’re planting more than one Tennessee Leafcup, give them about 18-24 inches of space between each plant so they have room to grow without crowding each other.
Growing Care
Watering: Tennessee Leafcup likes consistent moisture but doesn’t want to sit in waterlogged soil. Check the soil regularly—if the top inch feels dry, it’s time to water. Aim to keep the soil evenly moist, especially during hot or dry spells.
Light: Remember, this plant prefers shade. Too much direct sunlight can cause the leaves to scorch, so make sure it’s tucked away in a shady or partially shaded spot.
Fertilizing: Once a month, you can give your Tennessee Leafcup a light feeding with a balanced, water-soluble fertilizer. But don’t overdo it—this plant is pretty low-maintenance and doesn’t need a lot of extra nutrients.
Pruning: If your plant starts to look a little leggy or unruly, feel free to trim it back a bit. Pruning encourages bushier growth and keeps the plant looking tidy.
Pest Watch: This plant is pretty hardy, but keep an eye out for common garden pests like aphids or slugs. If you see any, simply pick them off by hand or use a gentle insecticidal soap.
Harvesting

Now, Tennessee Leafcup isn’t typically grown for its flowers or foliage to “harvest” in the traditional sense—it’s more of an ornamental plant that adds beauty to your garden. However, if you're growing it for its attractive leaves or just enjoying its presence in your landscape, here’s how to know it’s thriving:
- Healthy Leaves: The large, lobed leaves should be vibrant green and lush. If they start yellowing or browning at the edges, check your watering routine.
- Flowers: In late summer, you might notice small yellow flowers appearing. These are a sign that your plant is happy and healthy!
End of Season Care: In colder climates, Tennessee Leafcup may die back in winter. Don’t worry! It’s a perennial, so it will come back next spring. Just cut back any dead foliage in late fall to keep things tidy.
Plant Care FAQ
Q: Can I grow Tennessee Leafcup in a container?
A: Absolutely! Just make sure the pot is large enough (at least 12 inches in diameter) and has good drainage holes. Keep it in a shaded spot on your patio or balcony.
Q: My Tennessee Leafcup’s leaves are turning yellow. What’s wrong?
A: Yellowing leaves could mean overwatering or poor drainage. Make sure the soil is moist but not soggy. If the soil is too compact, consider mixing in some sand or perlite to improve drainage.
Q: Does Tennessee Leafcup attract any wildlife?
A: Yes! Its flowers can attract pollinators like bees and butterflies, which is great for your garden ecosystem. Plus, its dense growth provides shelter for small critters.
Q: How do I protect it during harsh winters?
A: If you live in a colder zone, mulch around the base of the plant with straw or leaves in late fall. This will help insulate the roots. In very cold areas, you may want to dig it up and bring it indoors as a houseplant until spring.
Q: Is Tennessee Leafcup invasive?
A: No, it’s not considered invasive. It spreads slowly via rhizomes but is easy to manage with regular pruning or dividing.
Pro Tips
1. Go Native
Since Tennessee Leafcup is native to certain parts of the U.S., it’s great for low-maintenance gardens. Once established, it’s pretty drought-tolerant and requires minimal care.2. Companion Planting
Pair it with other shade-loving plants like hostas or ferns to create a lush, woodland garden vibe.3. Divide and Conquer
Every few years, you can divide the plant to prevent overcrowding and even share it with friends! Do this in early spring when new growth starts.4. Mulch Magic
Adding a layer of mulch around the base helps retain moisture, suppress weeds, and regulate soil temperature.5. Enjoy the Shade
This plant is perfect for those tricky shady spots in your yard where other plants might struggle. Embrace its love for low-light environments!6. Wildlife Friendly
Let Tennessee Leafcup be part of a pollinator-friendly garden. Its flowers are subtle but effective at drawing in beneficial insects.7. Seasonal Interest
Even after flowering, the bold foliage continues to add interest to your garden, making it a year-round asset.