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What is Marjoram?

Marjoram, botanically known as Origanum laevigatum and specifically the beloved cultivar 'Herrenhausen', is an exceptionally elegant and aromatic perennial. Contrary to what many believe, this specific variety is not a classic culinary herb, but a high-quality ornamental and border plant. The plant is characterized by its bushy, upright growth habit and its striking, dark purple stems with small, egg-shaped leaves that release a wonderful, spicy fragrance when touched. In the summer months, the plant transforms into a cloud of color, thanks to hundreds of tiny flowers surrounded by dark purple bracts. At Planten247, the Origanum laevigatum 'Herrenhausen' is an absolute favorite for enthusiasts of natural, lush garden architecture that is bursting with life.

The benefits of the Marjoram plant

Planting this Marjoram in the border offers great advantages for the appearance and biodiversity of the garden. The main benefits of this plant are:

• Irresistible butterfly magnet: The flowers produce enormous amounts of nectar, attracting bees, bumblebees, and butterflies from early morning until late at night.
• Unique color contrast: The combination of dark purple bracts and soft pink flowers creates a brilliant depth effect in the border.
• Wonderfully aromatic foliage: Both the leaves and the flowers release a pleasant, relaxing herbal scent as you walk past them.
• Excellent ground cover: Due to its bushy and compact growth, the foliage quickly closes ranks, which effectively inhibits the growth of unwanted weeds.
• Heat and drought resistant: The plant has a deep root system and survives hot, dry summer periods without any problems.

What to look for when buying Marjoram?

When buying Marjoram, it is wise to look for a well-branched, bushy plant base and a healthy, active root system in the pot. A vital root ball ensures that the plant can immediately put energy into lateral growth and flower bud development after planting. At Planten247, we exclusively select and deliver vigorous plants that come directly from specialized nurseries. Pay close attention to the cultivar name when purchasing: 'Herrenhausen' has been specifically selected for its deeper, darker purple hues and its compact, sturdy stems that do not easily fall over. Our young plants in a P9 pot establish quickly and grow into a charming clump within the first season.

Marjoram Winter Hardiness

The Marjoram 'Herrenhausen' is excellently hardy and survives the cold winter months effortlessly. This strong perennial tolerates freezing temperatures down to -20 degrees Celsius without the need for additional protective measures. In the autumn, the plant dies back completely above ground, after which it goes dormant underground. The roots are perfectly protected against the cold, ensuring that the plant will unfailingly reappear in early spring with fresh, vital green shoots to grow even larger and fuller than the previous year.

Combining Marjoram

With its fine texture, clouds of purple-pink flowers, and dark accents, the Origanum laevigatum 'Herrenhausen' is a fantastic structural plant that is easy to pair with others. Beautiful plants to combine this Marjoram with include:

• Coneflower (Echinacea purpurea): The large, powerful flower heads form a monumental contrast to the fine floral cloud of the Marjoram.
• Whirling Butterflies (Gaura lindheimeri): The loose, graceful white or pink flower stems weave beautifully through the Marjoram clumps.
• Ornamental grasses: Such as Stipa tenuissima (Mexican feather grass) or Pennisetum (Fountain grass), which enhance the natural character with their fine structure.
• Sage (Salvia nemorosa): Often blooms slightly earlier, but the dark purple flower spikes match the color palette of the Marjoram's bracts perfectly.

Marjoram Care

The care of the Marjoram plant requires very little time, making it an ideal plant for the low-maintenance garden. The most important aspect is that the plant should not be kept too wet. Generally, only water during extreme, prolonged periods of drought in the summer. Additional fertilization is almost unnecessary; too much nutrition actually causes the plant to grow too quickly and become limp. In early spring, around March, you can cut the completely dead, dried-out stems off just above the ground with sharp pruning shears to make room for new growth.

Marjoram Flowering Time

The flowering time of the Marjoram 'Herrenhausen' is one of the longest and most rewarding periods in the summer garden. The first flower buds open during the month of July. The plant then continues to bloom tirelessly and abundantly throughout the months of August and September. Even after the actual flowering, the dark purple, almost black-turning bracts and seed heads retain a beautiful, mysterious silhouette that remains decorative in the border well into autumn and winter.

Marjoram in a Pot

Marjoram is perfectly suited for life in a flower pot, planter, or striking bowl on the terrace or balcony. Thanks to its compact, bushy growth and high tolerance for drought, it is a very rewarding container plant. When potting, it is crucial that excess rainwater can drain immediately. Therefore, always choose a pot with drainage holes at the bottom, add a good layer of hydro-granules, and use well-draining potting soil that is ideally mixed with some coarse sand or fine gravel.

Marjoram Height

The Origanum laevigatum 'Herrenhausen' is a medium-sized perennial that fits perfectly in the front or middle zone of the border. The compact cushion of foliage remains relatively low to the ground, but during the flowering period, the sturdy, upright flower stems reach a mature height of approximately 40 to 50 centimeters. As a result, the plant weaves itself in a subtle, natural way between lower ground covers and higher background plants.

Propagating Marjoram

Propagating or taking cuttings of Marjoram is a fun and simple task that is best performed in early summer, around June. For this purpose, take young, non-flowering top shoots approximately 7 to 10 centimeters long. Cut the shoot just below a leaf node, remove the lower leaves, and insert the cuttings into a small pot filled with a mixture of potting soil and sharp sand. Keep the soil slightly moist and place the pot in a warm, bright spot out of the harsh sun. Within a few weeks, the first roots will form, after which you can plant out the new plants in the autumn.

Planting Marjoram

Planting Marjoram can generally be done all year round, provided the soil is not frozen or completely dried out. The best planting time is spring or autumn, when soil conditions are optimal for root growth. Choose a position in full sun; the more direct sunlight the plant receives, the more intense the purple color of the stems and bracts will become. The soil should be moderately fertile, lime-rich, and, above all, excellently well-draining. At Planten247, we recommend a planting distance of about 30 centimeters, which amounts to 7 to 9 plants per square meter for a nicely closed plant carpet.

Buying Marjoram at Planten247

Do you want to add this fragrant, bee-friendly summer guest to your sunny border or bright rock garden? Buying Marjoram at Planten247 guarantees healthy, vital plants of top quality that come straight from the grower. We package our perennials with the greatest expertise and care, ensuring they are delivered to your home in optimal condition. Bring a reliable, long-blooming, and ecologically valuable atmosphere-maker into your home with Origanum laevigatum 'Herrenhausen'.

Frequently asked questions about Marjoram

Is Marjoram poisonous?

No, the Marjoram plant is not poisonous to humans and does not contain any harmful substances. For dogs and cats, the Origanum laevigatum 'Herrenhausen' is also completely safe and non-toxic. Should your pet accidentally brush against the aromatic clumps or nibble on a stem, there is absolutely no reason to worry about health complaints or poisoning symptoms.

What is the best location for Marjoram?

The absolute best location for this Marjoram plant is a spot in full sun in a warm, sheltered location. The plant naturally originates from dry, sunny regions and needs warm sunlight intensively to maintain its compact shape, develop its aromatic oils, and bloom abundantly. Light partial shade is tolerated, but in the shade, the plant will grow leggy and hardly produce any flowers.

How long does Marjoram bloom?

The total active flowering period lasts on average about 2 to 3 months consecutively, spread over the months of July, August, and September. Because the flowers open in phases and the purple bracts retain their deep color even after blooming, you effectively enjoy a colorful spectacle from early summer deep into autumn.

Is Marjoram a perennial?

Yes, the Marjoram (Origanum laevigatum 'Herrenhausen') is a perennial, herbaceous plant with a long-lived character. It dies back above ground in the winter, overwinters deep in the ground, and returns every spring larger, stronger, and with more flower stems in the same spot.

Is Origanum laevigatum 'Herrenhausen' edible?

Yes, the flowers and leaves of this ornamental marjoram are technically edible and have a mild, spicy flavor that resembles oregano. However, because this specific cultivar has been fully selected for its exceptional ornamental value, compact growth, and deep flower color, the taste is much less intense and aromatic than that of true marjoram or wild oregano from the herb garden. We therefore advise using it primarily as an atmospheric decoration.

Should I prune the Marjoram after blooming?

No, it is recommended not to prune the plant immediately after blooming in the autumn. The faded, dark flower stems have immense decorative value during the winter months, especially when they have a layer of frost or snow on them. In addition, the old stems protect the plant's core against extreme winter wetness.

How can I best propagate Marjoram if I want larger groups?

The most effective method to propagate this perennial is by dividing it in early spring (March). Dig up a large, mature clump, cut the root ball into several pieces with a sharp spade, and replant these sections directly into the border. This rejuvenates the plant and quickly results in new, vital clumps.

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