

Hydrangea serrata Frozen Smoothie ® - Mountain Hydrangea


Hydrangea serrata Frozen Smoothie ® - Mountain Hydrangea
Hydrangea serrata Frozen Smoothie ® - Mountain Hydrangea
Hydrangea serrata ‘SMNHSI’ Frozen Smoothie ®
Mountain Hydrangea, Tea of Heaven
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Description
The Hydrangea serrata Frozen Smoothie is a hydrangea from the Flair & Flavours® series, distinguished by its repeat flowering that occurs along the entire length of the stems. Its inflorescences, in flat corymbs, will be pink in neutral to alkaline soil or lavender blue in acidic soil. They renew themselves until the frosts, while the foliage takes on a red hue at the end of the season. It is a small, very compact bush, suitable for lightly shaded borders as well as container cultivation.
Belonging to the Hydrangeaceae family, this cultivar referenced under the code 'SMNHSI' was selected in 2014 by Tim Wood (Spring Meadow Nursery, Michigan); it originates from a sowing of 'Mak20' (Tuff Stuff range), which explains its good hardiness and its ability to flower along the entire stem; in North America, it is classified as a hybrid of Hydrangea macrophylla and H. serrata and bears the commercial name Let’s Dance Can Do!®.
It is a bush with a rounded, bushy habit, forming a cushion 70–80 cm in all directions. Its upright, ramified stems are smooth, greenish-brown, then become reddish-brown with age. The leaves, ovate to elliptical, with a finely dentate margin, 6–12 cm long, of a medium green, turn purplish-red in autumn; they are deciduous, absent in winter. The inflorescences are large corymbs, composed of small central fertile florets surrounded by numerous sterile florets. These inflorescences bloom both at the tip and along the stems; flowering extends from June to September-October, often until the first frosts. The plant is hardy to approximately −25 °C.
A small-sized bush, this Frozen Smoothie Hydrangea is not strictly a heather soil plant, but it likes humus-bearing, rich, cool, and well-drained soils. It is a very good variety for cultivation in pots or containers, on a balcony or terrace sheltered from the afternoon sun. In the garden, plant it in a lightly shaded border, at the edge of trees, in the company of plants sharing the same needs. To extend the flowering season, consider Japanese azaleas for early spring, dwarf rhododendrons for the month of May, and the Glory Bower Clerodendrum trichotomum Variegatum for autumn.
The botanical species Hydrangea serrata is native to the mountains of Japan and Korea where it grows in cool forest edges and undergrowth; the epithet "serrata" refers to the finely dentate margin of the leaves, while "Hydrangea" comes from the Greek hydor (water) and aggeion (vessel) in reference to the capsules. This species is also called "mountain tea"; its leaves, rich in phyllodulcin, are used locally to prepare a traditional herbal tea (amacha in Japan).
Hydrangea serrata Frozen Smoothie ® - Mountain Hydrangea in pictures


Plant habit
Flowering
Foliage
Botanical data
Hydrangea
serrata
‘SMNHSI’ Frozen Smoothie ®
Hydrangeaeceae
Mountain Hydrangea, Tea of Heaven
Hydrangea serrata 'SMNHS', Hydrangea Frozen Smoothie ® (FLAIR & FLAVOURS series ), Hydrangea Let’s Dance Can Do!®
Cultivar or hybrid
Planting and care
Plant the Frozen Smoothie Hydrangea in spring or early autumn, preferably in a lightly shaded position, for example against an east-facing wall, or even north-facing. In very cold regions, it may be prudent to protect its stump with a thick mulch. Shelter it from cold, drying winds. It does not necessarily require heather soil, but appreciates a deep, cool, yet well-drained, fairly fertile soil. In poor soil, enrich with a good base fertiliser before planting, and mix the existing soil with a substrate containing a portion of compost...
If the soil is dry at the foot of the wall, position the root ball at least 30-40 cm from the base of the wall, and incorporate plenty of well-rotted compost to better retain moisture in the soil. After planting, be mindful of slugs, which are quite fond of young leaves. Very hardy, it does not fear being planted in cold regions. Water regularly during hot periods to prevent the foliage from wilting during dry spells.
This variety of Hydrangea is also particularly well-suited to cultivation in a pot or decorative container due to its fairly compact dimensions. In this case, ensure you choose a compost for ericaceous plants, and water regularly to keep this substrate moist. In the event of a cold winter, shelter the pot in the corner of a wall, or even in a garage in case of severe frost, as container cultivation exposes the roots more to frost.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
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The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.





























