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Hardy perennial
Rubiaceae
Perennials
Sweet woodruff
Galium
Sweet woodruff: 15 cm high and 30 cm spread, sun to partial shade. White flowers in May-July. Zone 4; choose soil compatible with its moisture needs.
- Exposure
- Sun to partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 4
Discover the plant
Common nameSweet woodruff
FamilyRubiaceae
GenusGalium
TypeHardy perennial
Botanical nameGalium
Galium, known in the garden as Sweet Woodruff, combines white-toned blossoms with a volume that is easy to place in a composition. Among its distinctive features: aromatic foliage, fragrant flowers. The foliage presents shades of green, to be highlighted among different textures. The usual flowering period is May-July. At maturity, expect 15 cm in height and 30 cm in width, which suggests its use as a groundcover and border plant.
To plant Sweet Woodruff, look for the following exposure: sun to partial shade and suitable soil (humus-rich, retaining its freshness during growth, without stagnant water around the collar). For Sweet Woodruff, regularly check the soil around the root ball: it must remain fresh. Water at the base when the surface begins to dry out and adjust the watering according to rainfall; this exposure (sun to partial shade) does not eliminate water requirements. Keep 30 cm as a general spacing between plants; this helps preserve their shape and allows access for care. The indicated hardiness level is zone 4, to be assessed according to your garden's conditions.
The maintenance of Sweet Woodruff primarily involves observing the clump: keep the foliage healthy after flowering to allow the plant to continue its growth. Keep the collar clear and observe the regrowth before removing damaged parts. For companion planting, consider daylilies, campanulas, and perennial geraniums in varieties with similar needs. The flowering (May-July) and spread of 30 cm will serve as benchmarks for distributing other plants around this plant.
Planting guide
From planting to establishment.
Spacing / density
30 cm
Best planting time
Spring after the thaw or early autumn, allowing the roots time to establish before the severe cold.
Propagation
Division of clumps. Sowing does not guarantee the fidelity of a named cultivar.
Growing method
Sweet Woodruff: In spring after the thaw, or early autumn, allowing the roots to establish before the severe cold. For Sweet Woodruff, regularly check the soil around the root ball: it should remain moist. Water at the base when the surface begins to dry and adjust watering according to rainfall; this exposure (sun to partial shade) does not eliminate the need for water. Keep the crown clear and observe new growth before removing damaged parts.
Soil and care
The right care,at the right time.
Soil pH
Acid; general indication of the botanical group
Care level
Regular maintenance
Watering
For Sweet Woodruff, regularly check the soil around the root ball: it should remain fresh. Water at the base when the surface begins to dry and adjust the amount based on rainfall; this exposure (sun to partial shade) does not eliminate the need for water.
Soil type
Humus-rich, retaining moisture during growth, with no standing water around the crown
Fertilization
Fertilizer for flowering
Moisture
Regular watering during growth
Seasonal care
Sweet woodruff: keep healthy foliage after flowering to allow the plant to continue growing. During its flowering period (May-July), also monitor damaged stems and neighboring plants that might obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
Stable, perforated container, significantly wider than the root ball; size to be adapted to the format sold and adult development.
To try Sweet Woodruff in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (30 cm). The substrate should remain moist; it will dry out faster than in the ground. Plan to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
6 inches (15 cm)
Width / spread
12 inches (30.5 cm)
Flower color
White
Foliage color
Green
Foliage type
Persistent to semi-persistent depending on climate
Growth rate
Moderate
Growth habit
Creeping or trailing
Fragrance
Scented flowers
Bloom period
May-July
Garden associations
In goodcompany.
Companion plants
Associations to consider for Sweet Woodruff: daylilies, campanulas, perennial geraniums. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
Around sweet woodruff, especially avoid neighboring plants that would cover its leaves or strongly compete with its root ball. Compatibility in terms of light, water, and size takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant sweet woodruff?
Provide sun to partial shade and a suitable soil (humus-rich, retaining moisture during growth, with no standing water around the collar). Keep the collar clear and observe regrowth before removing damaged parts.
Where should sweet woodruff be planted?
Allow approximately 15 cm in height and 30 cm in width at maturity. Space plants about 30 cm apart (center to center), adjusting according to the actual development of the clumps. This size is suitable for ground cover and border use.
When does Sweet Woodruff bloom?
The period indicated is May-July. The flower color is white. The exact date and duration depend on the climate, the season, and the plant's establishment.
How to water and care for sweet woodruff?
For Sweet Woodruff, regularly check the soil around the root ball: it should remain moist. Water at the base when the surface begins to dry out and adjust the amount of water according to rainfall; this exposure (sun to partial shade) does not eliminate the need for water. Keep the foliage healthy after flowering to allow the plant to continue growing.
Can sweet woodruff be grown in pots?
To try Sweet Woodruff in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (30 cm). The substrate must remain moist; it will dry out more quickly than in open ground. Plan to protect the container in winter depending on your climate.
Wildlife and pets
Life,around your plants.
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