
Purplestem Angelica
Angelica atropurpurea
Grow Time
90-120 days
Sunlight
Full Sun to Partial Shade
Watering
Every 3-5 days
Toxicity
Non-toxic
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Watch on YouTubeHow to plant Purplestem Angelica: Step-by-Step Guide
Growing Guide
Preparation

What you'll need:

Purplestem Angelica seeds (you can find them at garden centers or online)

A large pot (at least 12 inches deep) or a spacious area in your garden

Rich, moist soil (this plant loves damp conditions, so mix compost into regular soil to make it richer and hold more moisture)

A watering can or hose with a gentle spray setting
When to start:
Purplestem Angelica prefers cooler weather. If you’re planting seeds, the best time is early spring when the soil is still cool but not frozen. You can also sow seeds in late fall for natural germination in the spring.
Finding a good spot:
This plant loves shade or partial shade. It’s perfect for those corners of your yard that don’t get much sunlight. If you're growing it in a pot, place it somewhere shaded, like under a tree or on a covered porch.
Tip: Since Purplestem Angelica likes wet soil, avoid spots where water drains too quickly, like sandy soils. If your soil tends to dry out fast, adding some peat moss or compost will help retain moisture.
Planting

If you have seeds:
- Fill your pot or dig a small hole in your garden and add the rich, moist soil.
- Sprinkle the seeds lightly on top of the soil—don’t bury them too deep. They need light to germinate, so just press them gently into the surface.
- Water the soil well after planting, keeping it consistently moist (but not soggy).
- Seeds usually take about 2-3 weeks to sprout if kept in cool conditions.
If you already have seedlings:
- Dig a hole slightly larger than the root ball of the seedling.
- Place the seedling in the hole, cover the roots with soil, and gently pat it down.
- Water thoroughly right after planting to help it settle in.
Planting tips:
- Space each plant about 2 feet apart, as Purplestem Angelica can grow quite tall (up to 6 feet!) and wide.
- If you’re planting several, give them enough room to spread out without overcrowding.
- Mulch around the base of the plant to keep the soil moist and prevent weeds.
Growing Care




Watering:
- Keep the soil consistently moist. This plant thrives in damp conditions, so water regularly, especially during dry spells.
- Check the soil every few days by sticking your finger into it—if the top inch feels dry, it's time to water.
Feeding:
- Purplestem Angelica doesn’t need heavy fertilization. However, you can sprinkle some compost around the base of the plant once or twice during the growing season to give it a nutrient boost.
Sunlight and temperature:
- This plant prefers shade or partial shade, so avoid placing it in full sun. Too much direct sunlight can dry out the soil too quickly.
- Purplestem Angelica grows best in cooler climates and may struggle in very hot areas. If you live in a warmer region, make sure it gets plenty of shade and stays well-watered.
Pruning and support:
- As the plant grows taller, it might need some support to stay upright. Use stakes or bamboo poles to prop up any stems that start leaning over.
- Remove any yellowing leaves or damaged stems to keep the plant healthy and looking neat.
Tip: Don’t be alarmed if the plant dies back in winter—it’s a biennial or short-lived perennial, meaning it might only last 2-3 years. But it often self-seeds, so you’ll likely see new plants popping up!
Harvesting

When to harvest:
- You can start harvesting leaves and stems in the second year of growth when the plant is well-established.
- The best time to pick leaves is in early summer before the plant starts flowering.
- If you want to use the seeds, wait until late summer or early fall when they turn brown and dry.
How to harvest:
- For leaves and stems, use clean scissors or pruning shears to cut them from the plant. Take only what you need, leaving enough foliage for the plant to continue growing.
- To collect seeds, snip off the entire seed head and place it in a paper bag. Shake the bag gently to release the seeds.
After harvesting:
- Fresh leaves and stems can be used right away in cooking or herbal teas. You can also dry them for later use by hanging them upside down in a cool, dark place.
- Store dried leaves and seeds in airtight containers away from light and moisture.
Tip: Be mindful when foraging in the wild, as Purplestem Angelica looks similar to some toxic plants. Always double-check the plant’s identity before using it.
Plant Care FAQ
Q: My Purplestem Angelica seems to be wilting, what should I do?
A: Wilting is often a sign of underwatering. This plant needs consistently moist soil, so check the soil daily and water more frequently if it feels dry.
Q: Can I grow Purplestem Angelica in full sun?
A: While it can tolerate some sun, it generally prefers shade or partial shade. Full sun can dry out the soil too quickly, which this plant doesn’t like. Try moving it to a shadier spot if possible.
Q: Why is my Purplestem Angelica turning yellow?
A: Yellowing leaves could mean the plant is getting too much sun, not enough water, or the soil is lacking nutrients. Make sure it’s in a shady spot, water regularly, and consider adding compost to enrich the soil.
Q: Is Purplestem Angelica a perennial?
A: Yes, it’s technically a short-lived perennial or biennial. It may come back for a few years, but it often self-seeds, so you’ll likely see new plants growing nearby.
Q: Can I grow it indoors?
A: It’s tricky since Purplestem Angelica can grow quite tall and prefers outdoor conditions. However, if you have a large, bright indoor space with high humidity, you could try growing it in a big pot. Just make sure it gets enough moisture and light.
Pro Tips
1. Natural pest deterrent
Purplestem Angelica has a strong scent that repels many pests. Plant it near vegetables like carrots or tomatoes to help protect them from insects.2. Companion planting
Pair it with other moisture-loving plants like mint or ferns to create a lush, shaded garden corner.3. Self-seeding magic
Let some flower heads go to seed at the end of the season. The plant will self-seed, giving you new plants next year without extra effort!4. Moisture check
Use mulch generously around the base of the plant to retain moisture and reduce how often you need to water.5. Harvest sparingly
Only take a few leaves or stems at a time, especially in the first year, to let the plant establish a strong root system.6. Herbal uses
Besides being beautiful, Purplestem Angelica has culinary and medicinal uses—its leaves can flavor soups, and its roots are sometimes used in herbal remedies.7. Wildlife attraction
This plant attracts beneficial pollinators like bees and butterflies, making it a great addition to a wildlife-friendly garden.