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Sage-leaf mullein
Phlomis tuberosa, commonly known as sage-leaf mullein or tuberous Jerusalem sage, is a captivating perennial that brings structured elegance and a splash of color to any garden border or group planting. Its statuesque presence, coupled with whorls of pink flowers, makes it an interesting focal point during its bloom time in June and July.
This species is appreciated for its upright growth habit and striking purple stems that are topped with pink to purple blossoms in the warmer months.
The Phlomis genus is known for its architectural form and resilience in a garden setting, and Phlomis tuberosa is no exception. The following are some of the key features of this plant:
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To achieve the best growth and vibrant pink and purple blooms, Phlomis tuberosa should be situated in a location where it will receive full sun exposure. The species is adaptable to a variety of well-drained soils, ensuring versatility in garden placement. Its drought-resistant nature allows it to thrive in areas that may experience dry spells, making it a robust addition to any border or group planting. The upright growth habit of this plant will be highlighted when positioned where it can bask in unfiltered sunlight, ensuring a striking display from June to July.
To ensure successful establishment of Phlomis tuberosa, choose a location that receives full sunlight and has well-drained soil, accommodating its preference for drier conditions. The ideal planting period is during spring or autumn, avoiding extreme cold or heat. Begin by digging a hole that is spacious enough for the pot's contents and loosen the soil at the bottom. Carefully remove the plant from the pot and place it in the hole, ensuring that the top of the root ball is level with the surrounding ground. Backfill with soil, gently firming it down, and water thoroughly to settle the roots. Regular watering should be maintained until the plant is fully established, after which it will be more drought-tolerant.
Phlomis tuberosa's maintenance is minimal when it comes to pruning. This species thrives with an upright growth habit and requires little intervention. Pruning is generally limited to the removal of unsightly shoots and to encourage a tidy growth form. After the blooming period in summer, it's advisable to cut back spent flower stems to keep the plant looking its best. This not only maintains the plant's shape but also promotes healthy growth for the following season.
Phlomis tuberosa thrives when the soil remains evenly moist, particularly throughout the blooming period of June and July. While it possesses a degree of drought resistance, to support its upright growth habit and maximize its flowering potential, ensure consistent watering during prolonged dry spells. Overwatering should be avoided, as well-drained soil is crucial for the health of the plant. During peak summer temperatures, water deeply to encourage deep root development, which in turn will enhance the plant's resilience against periods of low rainfall.
To sustain the robustness and vibrant hues of Phlomis tuberosa, a balanced approach to fertilization is crucial. Adaptable to a variety of soil types, this species flourishes with periodic nourishment. Enriching the soil with a general-purpose fertilizer early in the growing season will set the stage for the forthcoming blooms. Apply the fertilizer just as new growth appears, ensuring an even distribution around the base to avoid direct contact with the stems. A second application may be beneficial as the plant enters its flowering phase in June, aiding in the development of the striking pink and purple blossoms. With its upright growth habit reaching up to 1.5 meters, Phlomis tuberosa's nutrient uptake is essential for maintaining its stately presence in borders and group plantings.
The Phlomis tuberosa offers a delightful surprise with its tubular, hooded flowers that bloom in whorls up the stem, presenting an architectural spectacle. This species thrives in a variety of soil conditions, as long as they are well-drained, making it a versatile choice for gardeners. Its distinct foliage provides textural contrast in borders and flower arrangements. Furthermore, the plant's robust nature ensures it remains a perennial favorite, returning with vigor each year from its pot-grown roots.
To propagate Phlomis tuberosa, division is commonly employed. This rejuvenates the plant and promotes vigorous growth. Ideally, division should take place in the more temperate periods of spring or autumn. Carefully lift the plant from the soil, ensuring to keep the root system intact. Once excavated, it can be divided by separating into smaller clumps, making sure each division has a portion of the roots. Replant these divisions promptly into well-draining soil, spacing them adequately to accommodate their upright growth habit and eventual height of up to 1.5 meters. Regular division helps maintain the plant's robust nature and abundant summer bloom.
Phlomis tuberosa typically attains a height ranging from 1 to 1.5 meters when fully mature.
Phlomis tuberosa will typically reach a width ranging from 10 centimeters to 50 centimeters once fully matured.
Phlomis tuberosa can adapt to various soil types, but it thrives best in well-drained soil. Ensuring proper drainage is vital for the healthy growth of this plant.
Phlomis tuberosa thrives when placed in a sunny location. This plant species benefits greatly from ample sunlight for its healthy development and flowering.
Phlomis tuberosa displays lovely pink flowers during its flowering period, adding a delightful touch to its overall appearance.
Phlomis tuberosa is indeed considered winter hardy. It can endure temperatures as low as -15.0°C to -9.4°C, placing it within the USDA hardiness zones 7b to 8a. This indicates that Phlomis tuberosa is well-equipped to withstand the winter conditions in suitable climates.
Phlomis tuberosa is not an evergreen plant. It sheds its leaves during a certain period of the year and regrows them in the following season.
Phlomis tuberosa is known to achieve its ultimate height within a period of two to five years, signifying a moderate yet steady growth rate.
If we are proud of anything at Heijnen Plants, it is our plant packaging. We have developed our own unique way of packaging our 9x9 cm potted plants. After years of continued development and research, we managed to create packaging that allows plants to be delivered to your home undamaged and quickly through a parcel service. This makes us unique!
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If you have ordered large-sized plants or trees, we deliver them on sealed pallets and place them around your house or driveway. The pallets are sturdy and provide optimal protection for large-sized plants.
We deliver small or medium-sized plants in boxes. The size of the box depends on the size of the plant. We always make sure that the plant has enough space but still stands firmly in the box, so it cannot be damaged during transport.
Discover the unique charm of Phlomis tuberosa, with its striking pink-purple inflorescences that stand tall above robust, heart-shaped leaves. This plant, known for its architectural form, adds a touch of Mediterranean allure to any garden setting, while its robust nature ensures lasting beauty throughout the seasons.
