Aegopodium podagraria, commonly known as ground elder or bishop's weed, is a perennial herbaceous plant belonging to the carrot family. Native to Europe and Asia, it has been introduced and naturalized in many other parts of the world. This plant can grow up to 1 meter tall and features triangular leaves divided into three leaflets with toothed edges. Its small flowers, which are white or pinkish, are arranged in umbels. Ground elder is a highly invasive species that spreads rapidly through underground rhizomes. It can quickly dominate gardens, lawns, and other areas by forming dense mats of foliage that overshadow other plants. Despite its invasive nature, ground elder has been used medicinally for centuries due to its anti-inflammatory properties. It also served as a valuable food source during times of famine, as it contains high levels of vitamin C. In modern times, ground elder is considered a weed due to its aggressive growth habit. Nevertheless, it can still be found growing wild in many areas around the world.
Bishop's goutweed was originally brought to various regions as an ornamental plant. However, it eventually turned into an invasive weed. The name "bishop's goutweed" likely comes from its frequent presence near the ruins of old churches. The term "goutweed" is derived from its scientific epithet, podagraria, which means "gout of the foot."
Ground elder is fairly resistant to disease and typically does not suffer from many illnesses. However, it can be vulnerable to pests and diseases present in its surroundings. Those infections are generally mild. When it comes to care, the plant requires a moderate level of maintenance. It should be pruned regularly to keep an attractive appearance and support healthy growth. Fertilizing can also help encourage flowering. Ground elder is suitable for anyone with outdoor space, such as a garden or patio, and does not demand much gardening experience. It may need extra attention if grown indoors.
How to keep Aegopodium Podagraria.
Light
Ground elder tolerates a wide range of sunlight, from direct sun to its complete absence. Coming from a habitat with a fluctuating canopy, it has become hardy to varied light situations. While some sun suits it best, it can endure both full sun and deep shade, continuing through its growth stages despite changes in light. Too little or too much light does not greatly affect it.
Water
Ground elder, which originates from shaded woodlands, thrives in moist soil and benefits from weekly watering for optimal growth. Although it has some drought tolerance, it grows best with consistent hydration. Applying a layer of mulch helps retain moisture and regulate temperature during its active growing season.
Humidity
This plant will thrive in moderate humidity, which is probably the level in your home. However, misting it a few times a week can be very beneficial. Make sure the room has good ventilation.
Temperature
Ground elder favors temperatures from 32 to 95 ℉ (0 to 35 ℃). Although its native habitat varies, it usually flourishes in cooler conditions with sufficient moisture. In winter it tolerates frost and snow, but may benefit from mulching.
Fertilizer
Usually one fertilizer application in spring is enough for Ground elder, though repeated feedings will maximize growth. Apply fertilizer every month to a month and a half. Fertilizing improves the leaves' appearance and function, encouraging even color and a healthy texture. It also promotes root development and nutrient uptake, supporting long-term plant health.
Pruning
Ground elder flourishes with strategic pruning, which is best carried out from early to late spring. To promote growth and manage its spread, cut back any dead stems and thin out overcrowded areas. To prevent the plant from becoming invasive, remove flower heads before they can form seeds. This approach encourages overall vigor in garden settings.
Pot & Repot
When repotting Ground elder, select a pot 1-2 inches (2.5–5.1 cm) larger with good drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball sits slightly lower than the rim of the flower pot. Water thoroughly after repotting and place in a warm spot with indirect sunlight.
Botanical profile.
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Aegopodium
- Family
- Apiaceae
- Hardiness Zone
- 3-9
- Mature Height
- 40 cm to 91 cm
- Mature Spread
- 46 cm
- Leaf Color
- Green, White, Variegated, Blue
- Leaf Type
- Deciduous
- Flower Color
- White
- Flower Size
- 6.35 cm to 11.43 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring, Summer, Autumn, Winter
- Harvest Time
- Mid summer
- Native Area
- Turkey, Austria, Sweden, South Korea, Bulgaria, Poland, Greece, Belarus, Ukraine, Hungary, Germany, Italy, Kazakhstan, Switzerland, Denmark, Finland, Koppen, France, Albania, Romania, Belgium, Netherlands
Other names.
Reader questions.
When should I water my ground elder?
Watering your ground elder is best determined by checking for soil dryness and observing the plant's leaves for signs of water need. To determine if your plant needs water, gently probe an inch or two into the topsoil with your finger. If the soil feels dry, it's time to water. Wilting or droopy leaves, especially if they are not perky during cooler parts of the day, or if the leaves have started to dull in color or turn yellow, are all indicators that your ground elder needs water. During winter, the plant requires less water, but be mindful of indoor heating or dry winds which can dry the soil faster. Avoid watering too early when the soil is still wet, to prevent waterlogging and root rot, and similarly, too late to avoid stressing the plant which can lead to stunted growth or death.
Why is it necessary to apply fertilizer to my Ground elder?
Fertilization plays a crucial role in keeping the leaves of the Ground elder healthy and attractive. By fertilizing properly, you can ensure that the leaves maintain consistent color and a healthy texture. Fertilization also works beneath the soil, aiding the growth of new roots and sustaining existing ones in the root system. This not only promotes immediate plant health, but also enhances the plant's ability to absorb nutrients from the soil in the long run.
What are the sunlight requirements for ground elder?
Ground elder, or Aegopodium podagraria, is quite adaptable to different sunlight exposures, growing well in full sun, partial sun, and even full shade. 'Full sun' refers to over 6 hours of sunlight per day, while 'partial sun' means the plant receives about 3-6 hours of sunlight. The plant originates from environments with shifting canopies, making it resilient to diverse lighting conditions, although it thrives best with partial sun exposure. Despite this, it can manage in complete sunlight or total shade, moving through its growth stages without drastic effects from light variance.
What temperature range does ground elder prefer?
Ground elder prefers a temperature range of 32 to 95°F (0 to 35°C). This plant thrives in cooler temperatures with adequate moisture, showing strong cold resistance. Even during winter, it can withstand frost and snow, though mulching might be beneficial in preserving moisture and providing extra warmth. Special frost protection is generally not necessary, except when winter temperatures are expected to fall below -35°C; in such cases, protecting the plant with soil or straw is advised. To prep the plant for winter, it is recommended to water it abundantly before the first freeze in autumn, ensuring the soil stays moist and enters a frozen state to prevent drought and water scarcity.
How should I water my ground elder?
Watering ground elder effectively involves a technique that ensures consistent and even watering without oversaturation. A watering can with a broad spout helps spread out the watering, reaching all parts of the plant evenly and without making the soil waterlogged. Ground elder benefits from watering directly at the base to avoid leaf dampness that can lead to fungal diseases. A moisture meter can be a helpful tool in managing water levels, ensuring you neither overwater nor underwater your plant. Additionally, mulching can retain moisture in the soil, proving beneficial for consistent hydration, especially in warmer seasons.
When is the right time to put fertilizer on my Ground elder?
If you grow Ground elder outdoors, you'll notice new growth in early spring. This is the signal to start fertilizing the plant. Typically, one application of fertilizer in spring is sufficient. However, if you want to maximize growth, you can fertilize multiple times during spring and early summer. In this case, feed the Ground elder around once every month to a month and a half.
How does inadequate or excessive light affect ground elder?
When ground elder is grown indoors or under conditions of inadequate light, it may exhibit signs such as smaller new leaves, leggy or sparse growth, faster leaf drop, delayed growth or cessation of new growth, pale or lighter-colored new leaves, and symptoms of chlorosis. Excessive sunlight can cause symptoms like sunscald, leaf curling, wilting, and leaf scorching, which are indicative of damage or stress. These symptoms hint at the plant struggling with its light environment, affecting its overall health and growth.
How does ground elder react to low temperatures?
Ground elder is notably cold-tolerant, thriving best when temperatures remain above 0°C. During the winter, it's crucial to maintain temperatures above -30°C to avoid damaging the plant. If the temperature drops below -35°C, there may not be visible damage during winter, but the plant could show signs of decreased sprouting or fail to sprout at all in the spring. To manage this, any parts of the plant that have failed to sprout in the spring should be removed as a part of its care routine.
How much water does ground elder really need?
The ideal amount of water for a ground elder depends largely on its environment and size but generally, it prefers regular, light watering to keep the soil consistently moist. For a mature plant in a medium-sized pot, around 500 to 750 milliliters per watering session is a good starting point. Signs of adequate hydration include vibrant leaves and an upright stance, with soil that is moist but not waterlogged. Overwatering or underwatering can both lead to adverse effects such as rot, fungal diseases, stunted growth, or increased susceptibility to pests.
When is the best time to not fertilize my Ground elder?
During late fall and winter, your Ground elder goes into a dormant phase and stops growing. So, it's best to avoid fertilizing it during this time. In spring and summer, if you choose to fertilize, start reducing the rate as summer comes, as the growth rate of the Ground elder also slows down. In general, it's not a good idea to fertilize the Ground elder in extremely hot weather or when the soil is very dry. Doing so can stress the plant and cause it to die early.
What are the recommendations for artificial lighting for ground elder?
For optimal growth of indoor plants like ground elder, especially when natural sunlight is lacking, artificial lights can be helpful. LED lights are a good choice because they can provide specific light wavelengths needed by the plants. Full sun plants may require 30-50W/sq ft of light, partial sun plants might need 20-30W/sq ft, and full shade plants could use 10-20W/sq ft. The light source should be placed 12-36 inches above the plant, and it's recommended to mimic natural daylight hours, usually meaning 8-12 hours of light per day for most plant species.
What should be done if ground elder is exposed to high temperatures?
Ground elder should ideally be kept below 35°C during summer. Exposure to temperatures above 38°C can cause its leaves to lighten in color, curl, and become susceptible to sunburn, potentially leading to the wilting and drying out of the entire plant in severe cases. To mitigate the effects of high temperatures, trim away the sunburned and dried-up parts of the plant. It's also beneficial to move the plant to a location with shade from the midday and afternoon sun or use a shade cloth. Additionally, watering the plant in the morning and evening will help keep the soil moist and protect the plant from heat stress.
