
Climbing Hempvine
Mikania scandens
Grow Time
90-120 days
Sunlight
Partial Shade
Watering
Every 5-7 days
Toxicity
Non-toxic
How to plant Climbing Hempvine: Step-by-Step Guide
Growing Guide
Preparation

What you'll need:

Climbing Hempvine seeds or young plants (you can find these at specialized nurseries or online)

A pot (at least 10 inches wide) or a space in your garden

Regular garden soil mixed with some compost (this will help the plant grow strong and healthy)
- A trellis, fence, or any vertical structure for support (Climbing Hempvine loves to climb!)
When to start:
Since Climbing Hempvine is a hardy plant, you can start planting it in early spring when the last frost has passed. If you're starting indoors, begin about 4-6 weeks before the last expected frost.
Choosing the right spot:
This plant thrives in both full sun and partial shade. It's versatile, so if you have a sunny corner of your garden or balcony, that works great. Just make sure it has something to climb on — like a trellis, fence, or even an old ladder!
Tip: If you're using pots, choose a deep one because this plant has long roots and will need space to grow.
Planting

If you’re using seeds:
- Fill a small pot or seed tray with moist soil.
- Sprinkle the seeds lightly over the soil — don’t bury them too deep; just press them gently into the surface.
- Water them lightly so the soil stays damp but not soggy.
- Place the pot in a warm, bright spot where it gets indirect sunlight.
- In about 7-14 days, you should see tiny sprouts popping up!
- Once the seedlings are about 2-3 inches tall, they’re ready to be transplanted either into larger pots or directly into the garden.
If you’re using young plants:
- Dig a hole in your prepared soil, making sure it’s big enough to fit the root ball of the plant.
- Place the young plant in the hole, cover the roots with soil, and pat it down gently.
- Water the plant immediately after planting to help it settle in.
Support is key:
Once planted, guide the stems towards your trellis or support system. You can use soft twine to loosely tie the stems to the support as it grows. This helps the plant climb and spread out beautifully.
Growing Care




Watering:
- Keep the soil consistently moist, especially during the first few weeks after planting. After that, water whenever the top inch of soil feels dry.
- Be careful not to overwater — Climbing Hempvine doesn’t like sitting in soggy soil. Think “damp sponge,” not “soaking wet.”
Sunlight needs:
- This plant does well in both full sun and partial shade. If you notice the leaves looking a bit pale or burnt, it might be getting too much direct sunlight. Try moving it to a spot with filtered light.
Fertilizing:
- About once a month, give your plant a little boost with a balanced fertilizer (something labeled “all-purpose” is perfect). Follow the instructions on the package, but you can dilute it slightly if you’re unsure.
- Too much fertilizer can lead to lots of leaf growth without many flowers, so go easy!
Pruning:
- As Climbing Hempvine grows, you may want to trim back any overly long or leggy stems. This encourages bushier growth and keeps the plant looking tidy.
- Prune in early spring or late winter before new growth starts — it helps the plant focus its energy on healthy growth.
Pest check:
- Normally, Climbing Hempvine is pretty tough against pests. But if you notice any bugs like aphids, spray the leaves with a mix of water and mild soap. This usually does the trick!
Harvesting

When to harvest:
Climbing Hempvine is primarily grown for its lush green foliage rather than fruit or flowers. However, if you're growing it for medicinal purposes (as some do), you’ll want to harvest the leaves when they're mature — usually a few months after planting.
How to harvest:
- Simply snip off the leaves or stems you need with scissors or pruning shears.
- Make sure to leave enough foliage on the plant so it can continue growing and climbing.
- Harvest in the morning when the leaves are most hydrated and fresh.
Storage:
- If you plan to use the leaves fresh, store them in a plastic bag in the refrigerator for up to a week.
- For longer storage, you can dry the leaves by hanging them upside down in a cool, dark place. Once dried, store them in an airtight container.
Plant Care FAQ
Q: My Climbing Hempvine isn't climbing. What should I do?
A: Sometimes young plants need a little encouragement. Gently guide the stems towards your trellis or support and use soft ties to help them latch on. Over time, they’ll start climbing naturally.
Q: Can I grow Climbing Hempvine indoors?
A: Yes, you can! Just make sure it gets plenty of sunlight (a south-facing window is ideal) and provide a small trellis or stake for it to climb. Indoor plants may not grow as large as outdoor ones, but they’ll still thrive.
Q: Why are the leaves turning yellow?
A: Yellow leaves can mean a few things: overwatering, underwatering, or lack of nutrients. Check your watering schedule first. If the soil is too wet or too dry, adjust accordingly. If the problem persists, consider adding a bit of fertilizer.
Q: Is Climbing Hempvine invasive?
A: In some regions, yes, it can spread quickly. To prevent it from taking over your garden, prune regularly and keep it contained with barriers if necessary. Growing it in a pot is also a good way to control its growth.
Q: Can I propagate Climbing Hempvine?
A: Absolutely! You can take cuttings from healthy stems, dip the ends in rooting hormone (optional), and plant them in moist soil. Keep them warm and humid, and they should root in a few weeks.
Pro Tips
1. Go vertical!
Since Climbing Hempvine loves to climb, train it along fences, walls, or even up a tree. Not only does this save space, but it also creates a beautiful green backdrop in your garden.2. Companion planting:
Plant Climbing Hempvine near other tall-growing plants like beans or peas. They’ll share the same supports, which saves materials and looks stunning together.3. Natural pest repellent:
Some gardeners swear by Climbing Hempvine’s ability to repel certain insects. Try planting it near plants that are prone to pest problems.4. Prune for more blooms:
Regularly trimming back the plant encourages denser growth and more flowers, which can attract pollinators like bees and butterflies.5. Control spread:
If you live in an area where Climbing Hempvine can become invasive, plant it in a large container or raised bed to limit its spread while still enjoying its beauty.6. Seasonal care:
In colder climates, bring potted Climbing Hempvine indoors before the first frost. It can survive as a houseplant if given enough light.7. Soil mix tip:
Add a bit of sand to your soil mix when planting Climbing Hempvine to improve drainage. This plant likes moisture but not waterlogged roots.