Is Saxifraga a hardy plant?
Members of Saxifraga are hardy perennials. The type of Saxifraga grown in gardens are usually rosette plants that can reach from 10 to 30 cm (4 inches to 12 inches) in height. The time of blooming is species dependent, ranging from the end of spring through to autumn. Saxifraga cotyledon by digital cat.
What is Saxifraga oppositifolia?
A popular plant in alpine gardens, Saxifraga oppositifolia (Purple Mountain Saxifrage) is a mat-forming evergreen perennial producing a dense carpet of tiny, overlapping, dark green leaves.
Are saxifrages heritage perennials?
This plant is not currently part of our Heritage Perennials lineup. Saxifrages are an enormous group of plants most often grown in rock gardens. This selection is good choice for the partially shaded rock garden or in alpine troughs and other containers.
How often do Saxifraga plants flower?
Most commonly grown Saxifraga plants are hardy evergreen perennials, so should flower year on year. When growing Saxifraga plant species from seed it is probably easiest to sow outdoors in flats in the spring.
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Is Saxifraga annual?
Among the choicest of rock garden plants, Saxifraga (Saxifrage) can be annuals, biennials, evergreen or herbaceous perennials.
Should I deadhead Saxifraga?
Your mossy saxifrage won't require pruning but you can deadhead spent blooms to keep your garden looking tidy.
Does Saxifraga bloom all summer?
The rockfoil flowers last into the early part of summer. Once the flowers die back, the plant is exposed to drying air and sun without their shading protection.
Is Rockfoil an annual or perennial?
Most sources of rock garden plants offer several different ones. Description of rockfoil: Most rockfoils are cushion-forming perennials with silvery or succulent foliage growing as clusters of small rosettes. In many cultivated forms the leaves are variegated yellow or white.
Can saxifrage survive frost?
Rockfoil blooms early to late spring. Hardy to -10 f.
Does saxifrage come back?
Purple saxifrage (Saxifraga oppositifolia) is the floral harbinger of spring in our most mountainous areas and it can appear even before lowland primroses & snowdrops. In fact, so keen is it to flower, that it can do so while partially encased in ice or beneath snow, and in a mild autumn, it may flower again.
What to do with Saxifraga after flowering?
Just trim off the flower heads after they've faded. Pests aren't usually a concern, as the Saxifraga is typically disease-free. However rare, they still could be susceptible to slugs, aphids, red spider mites, and vine weevils. So, as with most plants, it's a good idea to examine them regularly just to be sure.
Does Saxifraga spread?
Sprays of pretty pink flowers on tall stems appear in late spring. Height to 1ft (30cm), spread 1.5ft (45cm).
Is Saxifraga an evergreen?
Saxifraga 'White Pixie' is a mound-forming, evergreen alpine saxifrage with fresh green foliage that contrasts beautifully with delicate white spring flowers.
What conditions do Saxifraga like?
Saxifraga are best suited to moist, well-drained soil of sand, chalk, clay or loam within an acidic, alkaline or neutral PH balance. They are best positioned in an area of full shade or part shade.
How do you take cuttings from Saxifraga?
To propagate them, just tear out a tuft from the side of a cushion (reaching well down to make sure you have some stem), and then just tuck it in to any well-drained soil at the same depth, making sure that it doesn't dry out for the next few weeks. And it will grow away!
Can you keep Saxifraga indoors?
Temperature. H1c (Hardiness Zone 10 - 12) - Can be grown outdoors during the summer in a sheltered location with temperatures above 10℃ (50℉), but is fine to remain indoors, too.
What to do with Saxifraga after flowering?
Just trim off the flower heads after they've faded. Pests aren't usually a concern, as the Saxifraga is typically disease-free. However rare, they still could be susceptible to slugs, aphids, red spider mites, and vine weevils. So, as with most plants, it's a good idea to examine them regularly just to be sure.
How do you look after Saxifraga?
Saxifrage loves sun but will thrive most if the sun isn't too hot. Light shade is great, too. Favor planting in fall in garden soil amended with soil mix. You can nonetheless plant up until spring, but ensure regular watering at the beginning.
Does Saxifraga spread?
Sprays of pretty pink flowers on tall stems appear in late spring. Height to 1ft (30cm), spread 1.5ft (45cm).
Does mossy saxifrage spread?
Saxifraga rosacea (Irish Saxifrage) In the wild, this grows principally on limestone pavements, for instance in the Burren and Cevennes. It is neat, with creamy-white flowers, and spreads in a fairly discreet manner.
What is a saxifraga?
Zahlbrucknera Rchb. Saxifraga is the largest genus in the family Saxifragaceae, containing about 440 species of holarctic perennial plants, known as saxifrages or rockfoils.
Why are some plants called saxifraga?
Some plants refer to Saxifraga in their generic names or specific epithets, either because they are also "rock-breaking" or because they resemble members of the saxifrage genus:
What is the name of the largest genus of saxifraga?
Zahlbrucknera Rchb. Saxifraga is the largest genus in the family Saxifragaceae, containing about 440 species of holarctic perennial plants, known as saxifrages or rockfoils. The Latin word saxifraga means literally "stone-breaker", from Latin saxum ("rock" or "stone") + frangere ("to break").
Where do saxifrages grow?
Saxifrages are typical inhabitants of Arctic–alpine ecosystems, and are hardly ever found outside the temperate parts of the Northern Hemisphere; most members of this genus are found in subarctic climates. A good number of species grow in glacial habitats, such as S. biflora which can be found some 4,000 metres (13,000 ft) above sea level in the Alps, or the East Greenland saxifrage ( S. nathorstii ). The genus is also abundant in the Eastern and Western Himalayan alpine shrub and meadows. Though the archetypal saxifrage is a small plant huddling between rocks high up on a mountain, many species do not occur in such a habitat and are larger (though still rather delicate) plants found on wet meadows .
Where is Saxifraga urumoffii grown?
Cultivation. Saxifraga urumoffii at the Royal Botanic Garden Edinburgh. Numerous species and cultivars of saxifrage are cultivated as ornamental garden plants, valued particularly as groundcover or as cushion plants in rock gardens and alpine gardens. Many require alkaline or neutral soil to thrive.
How many species are there in the saxifraga?
A genus of about 440 species. The former monotypic genus Saxifragella has been submersed within Saxifraga, the largest genus in Saxifragaceae, as Saxifraga bicuspidata. Also the genus Saxifragopsis (strawberry saxifrage) was previously included in Saxifraga.
Where are round leaf saxifrages found?
Round-leaved saxifrage ( S. rotundifolia ), whose sticky leaves seem to catch small invertebrates. Saxifrages are typical inhabitants of Arctic–alpine ecosystems, and are hardly ever found outside the temperate parts of the Northern Hemisphere; most members of this genus are found in subarctic climates. A good number of species grow in glacial ...
Is Saxifraga a perennial?
Extremely hardy and long-lived, Saxifraga paniculata (Lifelong Saxifrage) is an evergreen perennial producing a slowly spreading mat of incurved rosettes, 3 in. across (8 cm), of spatulate leaves with forward-pointing teeth and silvery encrustations on the margins.
Is saxifraga cotyledon evergreen?
Spectacular in flower, Saxifraga cotyledon (Pyramidal Saxifrage) is a mat-forming evergreen perennial producing large flat rosettes of glaucous, broadly strap-shaped, finely toothed leaves. In late spring to early summer, it develops an arching, pyramidal flowering stem, 2 ft. high (60 cm), bearing up to a thousand of cup-shaped white flowers
What color is a saxifrage?
Flower color is variable, ranging from white to creamy white to pink to yellow sometimes with purple spotting. Easy to grow, Lifelong Saxifrage is not prone to disease, flowers well and its evergreen rosettes are beautifully enhanced by winter frosts.
How tall is a saxifrage?
Lifelong Saxifrage, Encrusted Saxifrage, Rockfoil, White Mountain Saxifrage, Saxifraga aizoon, Saxifraga malyi 1 Grows up to 6-12 in. tall (15-30 cm) and 8 in. wide (20 cm). 2 Best in partial shade in moderately fertile, neutral to alkaline, well-drained soils. Best with protection from hot afternoon sun. 3 Great choice for rock gardens or containers. 4 Virtually disease free. Keep an eye out for slugs, aphids and glasshouse red spider mite. 5 Propagate by separating rosettes and rooting as cuttings in late spring or early summer. 6 Native to Europe, Caucasus, North America
Is Saxifraga a perennial?
Extremely hardy and long-lived, Saxifraga paniculata (Lifelong Saxifrage) is an evergreen perennial producing a slowly spreading mat of incurved rosettes, 3 in. across (8 cm), of spatulate leaves with forward-pointing teeth and silvery encrustations on the margins. The foliage varies from yellow-green, to cheerful green to darker mid-green.
How to grow saxifraga?
First the seeds should be sown into flats (lightly cover the seeds) then imbibed by placing the flats in a black bag, then placing in the fridge for three weeks.
How to grow a sage plant in the fall?
Method 1: Seeds should first be sown into flats in the autumn. Next sink the flat into the ground in an area that offers shade, preferably close to a wall that faces north. Provide a glass/plastic covering. Keep an eye on the flats to ensure that the soil remains moist.
How to transplant a sage plant outdoors?
Method 2: In the spring, sow seeds in a moist growing medium in flats, wrap in a large plastic bag, then stratify by refrigeration for three weeks. Next bury the flat as described above. Once seedlings emerge transplant them to their final location.
How long does it take for a flat to germinate?
The flats should then be sank into a shady part of the garden and covered with glass. Germination should take from a couple of weeks to a couple of months. Transplant the seedlings into their final location as they appear; this should be a fully or partially shaded part of the garden that has good drainage.
What is a saxifrage?
Pinterest. Saxifrage is a beautiful little perennial that blooms for most of the year depending on the variety.
Where is the best place to plant flowers?
Rock gardens, flower beds and also garden boxes or along a wall are where it will be at its best.
Can saxifrage be planted in the fall?
Rocky ground and old walls is the setting it likes best. Saxifrage loves sun but will thrive most if the sun isn’t too hot. Light shade is great, too. Favor planting in fall in garden soil amended with soil mix. You can nonetheless plant up until spring, but ensure regular watering at the beginning.
What is a commonplace form of Saxifraga?
A commonplace form of Saxifraga is mossy rockfoil. There are many types of rockfoil, but mossy rockfoil is readily available in nurseries and garden centers. The mossy varieties are in the section of Saxifraga called hypnoides. The plant is an excellent ground cover, forming a thick tenacious carpet over rocks and under trees.
How long does it take for a saxifraga to grow?
Seeds require cold stratification for germination and can take two to three years to bloom.
How to grow rockfoil from divisions?
Growing rockfoil from divisions helps prevent the center die out and gives you more of these alpine plants for your garden. This species needs a moist rich loam for best performance. Mix in a little compost with existing soil at planting time.
What zone is rockfoil hardy in?
The perennial plant needs moist shade and is hardy in USDA plant hardiness zones 5 to 7 in temperate regions. Growing rockfoil requires cool sites which mimic its alpine native ranges.
Why do saxifragas die in the center?
Once the flowers die back, the plant is exposed to drying air and sun without their shading protection. This often causes the plant to die in the center. Fill in the center with a light dusting of sandy grit to help the plant hold moisture and prevent core mortality. This is important rockfoil Saxifraga information to preserve the beauty of your plant.
When does rockfoil bloom?
In spring, tiny cupped flowers appear on slender stalks held above the body of the plant. The wiry stalks are tinged pink to purple and support blooms of salmon, pink, purple, white and other hues. The rockfoil flowers last into the early part of summer.
What is rockfoil?
Rockfoil. By: Bonnie L. Grant, Certified Urban Agriculturist. Printer Friendly Version. Image by TheBackyardPilgrim. Saxifraga is a genus of plants found almost everywhere on earth. Typically, the plants form mounds or creeping mats and produce tiny flowers. There are approximately 480 species of the plant, and plant enthusiasts ...
Where is the sage plant native to?
The plant is native to China, Japan and Korea. But it is widespread in much of the temperate regions of Eurasia and in North America. In their homeland they thrive in forests, in bushes, in meadows, even on rocks, at altitudes of 400 to 4500 meters. It is now used as an ornamental plant worldwide.
When do lilacs bloom?
The flowering period is May to August. The loose, paniculate inflorescence contains 7 to 60 flowers. The sepals are protruding or struck back. Two of the five white petals are characteristically longer than the rest. The longer petals are lanceolate, 6-15 mm long and 2-4 mm wide and pointed. The smaller petals are red or yellow dotted and 2-4 mm long and 1-2 mm wide. The stamens are 4.5 mm long. The ovary is pale yellow.
Is Saxifraga stolonifera evergreen?
It requires a sheltered spot in full or partial shade. Its creeping green foliage makes a good groundcover. In favorable conditions it is semi- evergreen. It has gained the Royal Horticultural Society ’s Award of Garden Merit.
Overview
Saxifraga is the largest genus in the family Saxifragaceae, containing about 465 species of holarctic perennial plants, known as saxifrages or rockfoils. The Latin word saxifraga means literally "stone-breaker", from Latin saxum ("rock" or "stone") + frangere ("to break"). It is usually thought to indicate a medicinal use for treatment of urinary calculi (known as kidney or bladder stones), rather tha…
Description
Most saxifrages are small perennial, biennial (e.g. S. adscendens) or annual (e.g. S. tridactylites) herbaceous plants whose basal or cauline leaves grow close to the ground, often in a rosette. The leaves typically have a more or less incised margin; they may be succulent, needle-like and/or hairy, reducing evaporation.
The inflorescence or single flower clusters rise above the main plant body on naked stalks. The s…
Taxonomy
A genus of about 465 species. The former monotypic genus Saxifragella has been submersed within Saxifraga, the largest genus in Saxifragaceae, as Saxifraga bicuspidata. Also the genus Saxifragopsis (strawberry saxifrage) was previously included in Saxifraga.
Based on morphological criteria, up to 15 sections were recognised. Subsequent molecular phylogenetic studies reduced this to 13 sections with 9 subsections. The former sections Micran…
Ecology
Saxifrages are typical inhabitants of Arctic–alpine ecosystems, and are hardly ever found outside the temperate parts of the Northern Hemisphere; most members of this genus are found in subarctic climates. A good number of species grow in glacial habitats, such as S. biflora which can be found some 4,000 m (13,000 ft) above sea level in the Alps, or the East Greenland saxifrage (S. …
Cultivation
Numerous species and cultivars of saxifrage are cultivated as ornamental garden plants, valued particularly as groundcover or as cushion plants in rock gardens and alpine gardens. Many require alkaline or neutral soil to thrive.
S. × urbium (London pride), a hybrid between Pyrenean saxifrage (S. umbrosa) and St. Patrick's cabbage (S. spathularis), is commonly grown as an ornament…
Uses
The leaves of some saxifrage species, such as creeping saxifrage (S. stolonifera) and S. pensylvanica, are edible. The former is a food in Korea and Japan. The flowers of purple saxifrage (S. oppositifolia) are eaten in Nunavut, Canada and the leaves and stems brewed as a tea.
Species are also used in traditional medicine, such as creeping saxifrage in East Asia and round-leaved saxifrage (S. rotundifolia) in Europe.
Bibliography
• Gornall, RJ (2011) [1984]. "Saxifraga". In Cullen, James; Knees, Sabina G.; Cubey, H. Suzanne (eds.). The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass. Vol. III Angoiospermae - Dicotyledons (Resedaceae - Cyrillaceae) (2nd ed.). Cambridge University Press. pp. 102–131. ISBN 978-0-521-76155-0.