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Manna Ash

Fraxinus ornus

$35.00

Fraxinus ornus

Deciduous compact tree growing to an average of about 9 m x 6 m, but sometimes up to 25m tall, at a medium to slow rate, and noted for its longevity and robust growth.  Native to the Mediterranean, South-central Europe and Southwestern Asia, but also grown much further north. The Manna Ash gets its name from the sweet sap that can be extracted from the trunk, known as “manna,” which has been used traditionally as a natural sweetener and in medicine.

The species is also sometimes called “flowering ash” as it bears a profusion of very ornamental fluffy, scented white flowers in the spring. These are followed by 15-25 mm long winged seeds, known as samaras, which may persist on tree through winter. Autumn colour is also stunning, with the pinnate leaves turning yellow to red-purple. Plants are generally androdioecious (trees can have hermaphrodite flowers or have flowers with only functional male organs, so behaving as male plants. Both male and female plants must be grown if seed is required; our plants are seed grown and unsexed). Flowers are scented and attract a variety of pollinating insects (mainly bees and beetles), even though they do not produce nectar, and can be pollinated by either these or insects or by wind. Frost hardy.

PB8 100-110cm

Cultivation

Manna Ash thrives in sunny areas with hot summers and mild winters, and is often associated with the Mediterranean scrubland. It is tolerant of a wide range of soil types and moisture but does better in drier spots than some of the other ash species, only requiring between 500 and 650 mm of annual rainfall, and has good drought resistance once established.  It prefers a position in full sun where it will grow taller, although in its native habitat of mixed broadleaved forests it also behaves as a shrub in the understorey. It can tolerate strong winds but not maritime exposure, and is also tolerant of atmospheric pollution.

Uses

As well as being ornamental, Manna Ash has been cultivated for centuries for sap production. This can begin once the tree trunk reaches 8cm in diameter, and can continue tree for 9 consecutive years, after which the tree is coppiced and one shoot allowed to re-grow for 4-5 years before becoming productive again. The sweet exudate- a whitish glutinous liquid – is obtained from the stems by incision in summer, and can be used as a sugar substitute and as an anti-caking agent. Yields of 6 kilos per hectare of top quality manna, plus 80 kilos of other grades can be achieved. The sap is traditionally collected on the cut pads of opuntia (prickly pear) species.

In the Mediterranean, Manna Ash is being used in used as a pioneer species in reforestation schemes, due to its ability to grow in in challenging environments. It can be managed by pollarding for an excellent source of livestock fodder (mainly for cattle, goats and sheep but also non-toxic and palatable for horses). It can be used fresh in dry summers, or in winter as ‘tree hay’ – until the beginning of the twentieth century, dried ash leaves of various species were part of the winter cattle food ration in Europe, and ‘Ash hay’ is considered especially good for feeding nursing females due to the high calcium concentration.

The timber, although not as durable as other ash species, can be used in carpentry, fences, and for tool handles, and makes excellent firewood. Stands of Ash can be managed by coppicing for this purpose. The ash of various ash species was used traditionally to wash linen and clothes, this is in fact what gave the tree its name. A document by the Republic of Venice from 1770 testifies that Venice imported a huge quantity of manna as it employed it in its silk industry to preserve the fabric’s colours. The bark can also be used for dyeing and leather tanning; the inner bark of Fraxinus excelsior is said to give a good blue colour to cloth, quite possibly this is the case for F. ornus too.

Finally, ash ‘keys’ (seeds) are edible when young, boiled several times to release tannins and then pickled. A recipe appears in John Evelyn’s Acetaria, a Discourse of Sallets written in 1699.

Medicinal Uses

Manna Ash has long been used in traditional medicine to aid digestion, soothe inflammation, and support skin health. It has a rich and complex phytochemical profile, with the sap containing a variety of bioactive compounds that work synergistically to impart antioxidant, anti-inflammatory, and soothing properties. It contains Mannitol, known for its mild laxative, regulation of digestive processes and natural diuretic properties. Additionally, its antioxidant characteristics help neutralize free radicals, contributing to cellular protection and overall detoxification, hence its use as a key ingredient in skin care formulations.

The sap also contains simple sugars, which provide a quick source of energy and facilitate the absorption of other nutrients, creating a boost without causing rapid blood sugar spikes. Flavanoids in the sap help to reduce inflammation and improve immune function.

Traditionally, the bark was traditionally used as an antiparasitic, antihelmintic (dewormer) and insect repellent.  In the eighteenth century, the ash bark was known as the “quinine of Europe” for its antifebrile and antimalarial actions. It has been proven to contain compounds which have significant antimicrobial, antioxidative, sun damage prevention, wound healing, anti-inflammatory, immuno-modulatory and antiviral activities. It also contains Esculin, which is known to act as a choleretic agent for stimulating bile flow and aiding digestion, hence its use in the digestive formula, Swedish Bitters. It also has noted activity for preventing the development of abnormal growths.

Primary Actions: antimicrobial, antioxidative, anti-inflammatory, immuno-modulatory, antiviral, vulnerary, antiparasitic, antihelmintic, detoxification, laxative, diuretic

Parts Used: sap, bark

History / Folklore / Further Info

Since the times of the Greeks, the sap of Manna Ash was considered a kind of natural honey that was deposited on the trees or, as Pliny beautifully describes, ‘a celestial dew that fell on the trees when the stars came out, called “sweat of heaven”, “air honey”, or “saliva of the stars”’

Ash trees have been regarded as sacred trees, symbols of abundance, prosperity and natural bounty in various ancient civilizations.

Note that the manna mentioned in the Bible is not from the Manna Ash, but most likely from tamarisk trees, Tamarisk gallica, var. mannifera.

Jo Says

The cultivation of manna ash trees dates back to ancient times in Sicily and is making a recent revival for culinary purposes. I found a wonderful article In this Sicilian town, manna is a heavenly delicacy with deep roots | The Times of Israel describing how local bakers use manna to season cookies and cakes, how the restaurant Nangalarruni includes a manna, almonds, and pistachio-encrusted pork filet on its menu, and how producers are collaborating to make manna chocolate: “We take advantage of the manna’s ability to mitigate the bitterness of chocolate to make very dark chocolate with a special taste.”

With sooo many uses of this amazing tree, with chocolate being the literal icing on the cake, you have to wonder why everyone doesn’t grow it! We’re certainly planting out a few here on the farm!

Shipping Advice

N.B. Shipping costs are added AFTER you have placed your order, you will then be emailed an invoice with bank details. 

Smallest box rate:
This can fit up to 9 plants in 9cm pots.

Shipping a single tree can be expensive. We may be able to fit more in the box for the same price! See our shipping rates for single and multi tree boxes.

Combining sizes?
No problem, we will work out the best rate for you once you’ve placed your order.

Medical disclaimer

Jo has a passion for growing herbs but is not a qualified herbalist and has no medical background.

We are lucky to have Patricia Beagle working here at times, who is qualified, and some of her advice does appear on these pages, but herbs act differently for different people and can interact with other medicines. We therefore always recommend that you consult with your own qualified health-care practitioner before using herbal products, particularly if you are pregnant, nursing or on any medications.

Kahikatea Farm cannot take any responsibility for any adverse effects from the use of the plants or a plant not having the effect it is reputed to have. 

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