Future Plants by Randy Stewart: Mandevilla

Thursday, April 29, 2010

Mandevilla

* photos taken on August 2 2010 in Bayfield, Ontario

Mandevilla x amabilis ( Pink Mandevilla )
A fast growing, woody, twinging, evergreen vine, originating in Brazil.
A trellis, fence or some structure is needed to support the growth.
Some records include: 1st year - 6 feet; largest on record - 50 feet ( vining height ).
The thick, leathery, deeply-veined, elliptical leaves, up to 8 inches in length, are glossy deep green.
The 5-petalled, pink flowers, up to 4 inches across, are borne mid to late summer.
Hardy zones 9 to 12 requiring full sun on fertile, well drained soil of any PH that is moist during the summer. Very drought tolerant and moderately salt tolerant.
Old plants can be cut to the ground and will regrow.
Propagation is from semi-ripe cuttings taken during summer.

* photo taken on July 7 2011 in Ellicott City, MD

* photo taken on July 25 2015 @ Niagara-on-the-Lake, Ontario

Mandevilla x amoena 'Alice du Pont'
A vigorous, twining, woody-stemmed, evergreen vine, reaching a maximum height of 30 feet.
The deeply-veined, oval leaves, up to 8 inches across, are glossy deep green.
The intense, bright rose-pink, funnel-shaped flowers, up to 4 inches across, are borne in clusters during summer.
Hardy zones 9 to 12 requiring full sun on moist, fertile, light, humus-rich, well drained soil of any PH that is moist during the summer. Very drought tolerant and moderately salt tolerant.
Old plants can be cut to the ground and will regrow.
Propagation is from semi-ripe cuttings taken during summer.

* photo taken on Aug 2 2012 in Bayfield, Ontario

* photo taken on June 10 2013 in Columbia, MD

Mandevilla 'Fire and Ice'

* photo taken on June 10 2013 in Elkridge, MD

Mandevilla laxa ( Chilean Jasmine )
A rapid growing, deciduous vine, reaching a maximum height of 30 feet, that is native to Chile.
The ovate leaves, up to 6 inches in length, are luxuriant green.
The very fragrant, white to pink, funnel-shaped flowers, up to 4 inches across, are borne in corymbs.
Hardy zones 8+, stem hardy to 15 F, root hardy to 5 F.
Propagation is from semi-ripe cuttings taken during summer.

* photos taken on August 2 2010 in Bayfield, Ontario

* photo taken on Aug 2 2012 in Bayfield, Ontario

* photos taken on June 10 2013 in Columbia, MD

* photos taken on Aug 4 2013 in Bayfield, Ontario

* photo taken on July 17 2015 in Columbia, MD

* photo taken on July 25 2015 @ Niagara-on-the-Lake, Ontario

* photos taken on May 10 2019 in Elkridge, MD

Mandevilla sanderi
Also called Dipladenia sanderi. A semi-climbing perennial, reaching up to 8 x 3 feet.
The large, scarlet-red, trumpet-shaped flowers appear all summer long. The flowers attract butterflies and hummingbirds.
Hardy zones 9 to 12 ( often planted as an annual in cooler climates ) in full sun on moist, fertile, well drained soil. It thrives in hot humid summers and is drought tolerant.

* photo taken on July 8 2016 in Columbia, MD

* photo taken on July 24 2016 in Columbia, MD

* photos taken on Aug 12 2016 in Columbia, MD

'Alba'
White flowers, otherwise identical to species.

* photo taken on July 27 2019 in Columbia, MD

'Dundee Pink'

* photos taken on Aug 9 2018 in Ellicott City, MD

* photo taken on July 27 2019 in Columbia, MD

* photos taken on Sep 18 2021 in Columbia, MD

'Rio'
A series of compact bushy forms that can come in white, pink or red flowering that blooms very abundantly all season long.

* photo taken on June 19 2021 in Ellicott City, MD

* photo taken on July 11 2022 in Columbia, MD

* photo taken on Aug 1 2022 in Brookside Gardens, Wheaton, MD

Mandevilla splendens
A twining, evergreen woody vine, reaching a maximum height of 30 feet, that is native to mountain forests of southeastern Brazil.
The pointed, broad elliptical leaves, up to 8 inches in length, are glossy deep green. The leathery foliage is deeply veined.
The rose-pink ( with yellow center ) flowers, up to 4 inches across, are borne late spring to early summer.
Hardy zones 9 to 12 in partial shade on moist, fertile, well drained soil of any PH that is moist during the summer.
Old plants can be cut to the ground and will regrow. Patio container plants can be cut back hard and moved into a cool greenhouse during winter. Insect pests and disease rarely bother this plant.
Propagation is from semi-ripe cuttings taken during summer or seed sown during spring.

* photo taken on June 12 2013 in Columbia, MD

* photo taken on May 3 2017 in Columbia, MD

'Red Riding Hood'

Fast growing, twining up to 10 feet.
The large scarlet-red flowers are up to 4 inches wide.

* photo taken on June 12 2013 in Columbia, MD