Geranium macrorrhizum
شمعدانی بلغاری · Rock crane's-bill · Rock Cranesbill · Cranesbill · Bigroot geranium
Description
Source: leafsnapGeranium macrorrhizum, commonly known as bigroot geranium, is a perennial plant belonging to the Geraniaceae family. Native to Europe and Asia, it has been widely cultivated as an ornamental plant in gardens worldwide. The plant reaches heights of 30-50 cm and has a spreading habit, characterized by thick rhizomes that give it its common name. The leaves of Geranium macrorrhizum are deeply lobed with a glossy green hue that turns reddish-brown in autumn. Its small, pink or purple flowers bloom from late spring through summer, perched on long stalks above the foliage. This hardy geranium prefers well-drained soil but can tolerate some shade or full sun exposure. While drought-tolerant once established, it benefits from regular watering during dry spells. Geranium macrorrhizum is a popular choice in landscaping due to its attractive foliage and prolonged blooming period. It serves well as ground cover or planted along borders, offering an eye-catching display of color throughout the growing season. Beyond its ornamental value, this plant has medicinal properties attributed to its essential oils, which have been used for centuries for their antiseptic effects on wounds and skin irritations. Overall, Geranium macrorrhizum is a versatile perennial that enhances the aesthetic appeal of landscaping while also providing medicinal benefits. Its combination of beauty and functionality makes it an excellent addition for any garden enthusiast.
🌳 Although it is less recognized for its aromatic potential than more celebrated botanicals, bigroot geranium carries an appealing, spicy scent in its foliage that can be used in perfumes and natural fragrances. Bigroot geranium also exhibits insect-repelling properties that could be employed to develop natural insecticidal formulations. The plant’s resilience and ground-covering habit provide a low-maintenance option for erosion control and slope stabilization.
Care Guide
💧 Water Every 7 days
The Bigroot Geranium thrives best in well-drained soils and benefits from consistent moisture without becoming waterlogged. Watering it once a week is ideal to maintain its health. While it has moderate drought tolerance, it's important to balance hydration with proper drainage. Adding mulch can help retain moisture, thereby reducing the need for frequent watering during the growing season.
How should I water my Bigroot geranium?
To properly water the Bigroot geranium, it is recommended to use filtered water at room temperature. Tap water may contain harmful particles that can affect the plant's health. It is important to use room temperature or slightly warmer water because the Bigroot geranium is accustomed to a warm environment and cold water can be a shock to its system. It is also advised to avoid overhead watering, as this can cause issues with the foliage. Instead, gently pour the filtered room temperature water directly onto the soil until it is thoroughly soaked. This helps to moisten the roots and support their spreading and nutrient absorption.
What should I do if I give too much or too little water to my Bigroot geranium?
Overwatering is a common issue that can harm your Bigroot geranium. Too much water can cause the stems and leaves to wilt and turn yellow. Over time, it can also lead to diseases like root rot, mold, and mildew, which can kill the plant. On the other hand, underwatering is less common because the Bigroot geranium can tolerate drought well. However, it is still possible, and underwatering can cause the leaves to become brittle and brown. It's important to spot signs of overwatering early and take action, as some diseases may be irreversible if left untreated. If you notice these signs, reduce the watering schedule and check the soil drainage. If the soil drains poorly, replace it with a loose, well-draining potting mix. If you see signs of underwatering, simply water the plant more regularly until the signs disappear.
How frequently should I water my Bigroot geranium plant?
If your Bigroot geranium is potted, the most precise way to determine if it needs water is by checking the soil. Stick your finger into the soil and if the top two to three inches are dry, it's time to water. For Bigroot geraniums planted in the ground, you can use the same method. When the top few inches of soil are dry, it's time to water. Typically, during spring and early fall, watering once a week is sufficient. However, during extremely hot weather, you may need to water twice or more per week. It's worth mentioning that mature, well-established Bigroot geraniums have the ability to tolerate drought well.
How much water does my Bigroot geranium require?
Here are some tips on watering your Bigroot geranium: - Don't be afraid to give the plant plenty of water. When the top two to three inches of soil are dry, give the plant a good, deep watering. - Make sure to water enough that the entire soil gets soaked. You should see excess water draining out of the bottom of the pot. - If you don't see any excess water draining, you may have not given enough water. Avoid letting water accumulate in the soil, as this can harm the plant. - On the other hand, if water is not draining through the pot, it could be a sign of poorly draining soil, which is not good for the plant's health. - If your Bigroot geranium is outside, about 1 inch of rainfall per week should be enough.
How do I water my Bigroot geranium as it grows?
The water needs of the Bigroot geranium change depending on its growth stages. In the first few years or after transplanting, it requires more water. During these stages, the geranium is focused on developing new roots for future growth and they need extra moisture. As the plant matures, it will require less water. Additionally, during the bloom period, the geranium needs more water to support the development of flowers.
☀️ Light Full sun
The Bigroot geranium does best when it gets ample sunlight all day. Yet it can still grow in areas with less light or even in full shade. This ability is shaped by its native habitat. However, too much or too little sun can harm the plant, affecting growth rate and foliage color.
What are the sunlight requirements for Bigroot Geranium?
Bigroot geranium thrives when given ample sunlight throughout the day, requiring above 6 hours of full sun to flourish optimally. It can also grow under conditions of partial sun or full shade, which means about 3-6 hours of sunlight. The plant's adaptability to different light conditions stems from its original habitat, though its health may be negatively affected by either too much or too little sun, impacting growth rates and foliage color. It's beneficial to observe your garden's light patterns to ensure you place your plants in areas that offer a perfect balance of light and shade.
How does artificial lighting affect indoor Bigroot Geranium plants?
Indoor Bigroot geranium plants require adequate lighting for optimal growth, especially when natural sunlight is insufficient, like during winter or in less sunny spaces. Artificial lighting, such as LED lights, provides a vital solution by promoting faster, healthier growth. These lights can be customized to deliver specific wavelengths needed by the plants. For full sun plants, 30-50W/sq ft of artificial light is recommended; partial sun plants need 20-30W/sq ft, and full shade plants require 10-20W/sq ft. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and most plants benefit from 8-12 hours of artificial light per day.
What are common symptoms of inadequate or excessive sunlight in Bigroot Geranium?
When Bigroot geranium is exposed to inadequate lighting, it may show symptoms such as smaller new leaves compared to mature ones, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored new leaves. Excessive sunlight can cause chlorosis, where leaves turn yellow and lose their green color, sunscald with pale or necrotic spots on tissues, leaf curling as a defense against water loss, wilting due to increased water loss through transpiration, and leaf scorching characterized by brown, crispy edges on leaves. These symptoms indicate the plant's struggle with inappropriate light conditions.
How can you improve the sunlight conditions for indoor and outdoor Bigroot Geranium plants?
To optimize growth for indoor Bigroot geraniums, gradually move them to sunnier locations to ensure they receive at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open for maximum exposure. For plants that are large or not easily moved, consider providing additional light with artificial sources for at least 8 hours daily. For outdoor plants, avoid sudden changes in light intensity by gradually moving them to sunnier spots each week. Sunburn can result from abrupt exposure to intense light. Minimizing obstructions, such as pruning trees that shadow your plants, and transplanting to sunnier locations during the plant's dormant period can also help enhance light conditions.
🌡️ Temperature 5–35°C
Bigroot geranium is naturally adapted to a climate between 41 and 95°F (5 and 35°C). It does best in temperatures similar to its native temperate habitat. It is most vigorous in spring and fall when temperatures are moderate. Moving it seasonally can help meet its preferred temperature conditions.
What is the ideal temperature range for Bigroot geranium?
Bigroot geranium is best suited to a climate that ranges from 41 to 95°F (5 to 35°C), reflecting its temperate natural habitat. It shows vigorous growth during the moderate temperatures of spring and fall. To accommodate its temperature preferences, adjusting its location seasonally may be beneficial. The plant is notably cold-resistant, rendering special frost protection measures unnecessary in most cases. Nonetheless, in anticipation of winter temperatures plummeting below -30°C, it is advised to employ cold protection by covering the plant with insulating materials such as soil or straw. Additionally, before the onset of the first freeze in autumn, watering the plant abundantly to ensure the soil remains moist can help prevent drought and water scarcity during the winter and early spring months.
How should Bigroot geranium be cared for in low temperatures?
Bigroot geranium is cold-tolerant, thriving best when temperatures are maintained above 5°C. For winter care, it's important to ensure that temperatures do not drop below -25°C. At temperatures below -30°C, while there may not be noticeable changes during winter, there can be a significant reduction in the plant’s ability to sprout come spring, possibly resulting in no sprouting at all. As a solution, it is recommended to remove any parts of the plant that have failed to sprout in spring, aiding in its revitalization for the growing season.
What is the recommended care for Bigroot geranium in high temperatures?
During the summer season, it is imperative to keep Bigroot geranium in conditions where the temperature does not exceed 35°C. Exposure to temperatures above 38°C may cause the leaves to lighten in color, become prone to curling, susceptible to sunburn, and, in severe cases, lead to the wilting and drying of the entire plant. To mitigate these risks, it's advisable to trim away sunburned and dried portions of the plant, and relocate it to a spot that offers protection from the midday and afternoon sun. Utilizing a shade cloth can also be effective in providing necessary shade. Moreover, watering the plant in the morning and evening will help maintain soil moisture, further protecting the plant from heat stress.
💨 Humidity
🪴 Soil 6-7
🌱 Fertilizer
Early spring, as the Bigroot geranium comes out of dormancy and begins active growth, is the best time to fertilize it. Fertilizing supplies essential nutrients for healthy growth. Although the Bigroot geranium has relatively low fertilizer needs, annual feeding can improve its survival and encourage better, longer-lasting flowers.
Why is it necessary to fertilize my Bigroot geranium?
Fertilization is important for the Bigroot geranium for a few reasons. It provides necessary nutrients for the plant's growth both above and below the ground. Although the overall fertilization needs for a Bigroot geranium are low, annual fertilization can be highly beneficial. It helps the plant stay alive and may improve the longevity of its flowers. Therefore, if you want your Bigroot geranium to look its best, make sure to fertilize it every year.
What is the right time to add fertilizer to my Bigroot geranium?
The best time to fertilize a Bigroot geranium is in late winter to early spring when it is transitioning from dormancy to active growth. Fertilizing during this time promotes healthy growth and a strong start to the season. Fertilizing can also be done in the fall, although it is not as beneficial as in the early spring. However, it is not recommended to fertilize a Bigroot geranium during the summer or winter.
When is it best to not add fertilizer to my Bigroot geranium?
To avoid any complications, it is best to only fertilize your Bigroot geranium during late winter and early spring. Since this plant has low fertilization needs, a single annual feeding is enough. Fertilizing during spring, summer, and fall can easily lead to overfertilization. However, if you forgot to fertilize in spring, it is okay to feed the plant in fall. It is important to note that there is no need to fertilize during winter since the plant will be in a dormant phase and not producing new growth.
What kind of fertilizer does my Bigroot geranium require?
To provide the best care for a Bigroot geranium, using a general-purpose fertilizer with balanced nutrients is usually sufficient. However, there are specific nutrient blends that can offer even greater benefits. For example, many gardeners find that higher levels of phosphorus lead to stronger roots and better flowers. Since Bigroot geraniums are flowering plants, using a phosphorus-rich fertilizer may be the ideal choice. Granular or liquid forms of fertilizer can both be effective, as long as they contain ample nutrients. Additionally, improving the soil for your Bigroot geranium can be achieved through organic methods such as adding compost, manure, or similar materials. These natural options can greatly contribute to creating a healthy growing environment for your Bigroot geranium.
How should I feed my Bigroot geranium?
To fertilize a Bigroot geranium, the most common method is to use granular or pellet fertilizer around the plant. The best time to fertilize is when the plant transitions from its dormant growth phase to active growth, which usually happens as spring begins. Once the plant starts sending shoots through the soil, you can apply the fertilizer. Alternatively, some people prefer using liquid fertilizer. If you choose this option, dilute the fertilizer with water before applying it. Regardless of the type of fertilizer used, it is important to moisten the soil before, during, and after fertilization.
🪴 Pot & Repot Every 12 months
✂️ Pruning
The Bigroot Geranium is a hardy perennial known for its aromatic leaves and vibrant flowers. To promote its health and appearance, it's best to prune in early spring or late winter. This helps remove damaged stems and encourages a new bloom. Regular trimming keeps the plant compact, supports healthy growth, and enhances its visual appeal. Be sure to sterilize your tools before trimming to prevent the spread of disease.
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Geranium macrorrhizum has no toxic effects reported.
Characteristics
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Geranium
- Family
- Geraniaceae
- Hardiness Zone
- 4-9
- Mature Height
- 20 cm to 30 cm
- Mature Spread
- 0.61 m to 1.22 m
- Leaf Color
- Green, Red, Purple, Bronze
- Leaf Type
- Evergreen, Semi-evergreen
- Flower Color
- Pink
- Flower Size
- 2.54 cm to 5.08 cm
- Bloom Time
- Late spring, Early summer
- Planting Time
- Spring
- Harvest Time
- Mid summer
- Native Area
- Austria, Italy, Serbia, Romania, Bulgaria, Albania, Greece, Croatia, Slovenia, Ukraine, France