Bromeliad (Alcantarea imperialis 'Rubra')

Common names:
Give a thumbs up Bromeliad
Give a thumbs up Alcantarea

Botanical names:
Alcantarea imperialis Accepted
Vriesea imperialis Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 11
Plant Height: 24 to 48 inches, to 6 feet with bloom spike
Plant Spread: 4 to 5 feet
Leaves: Unusual foliage color
Other: Bluish-silvery green with maroon reverse
Flowers: Showy
Flower Color: White
Bloom Size: Under 1"
Flower Time: Summer
Late summer or early fall
Other: It may take decades to produce a bloom spike which can reach 6 feet in height.
Resistances: Humidity tolerant
Drought tolerant
Propagation: Other methods: Offsets
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Miscellaneous: Epiphytic


Posted by Dutchlady1 on Feb 13, 2012 8:32 PM

This gorgeous large Bromeliad achieves its best color in full sun. The offsets are tiny and grass-like and not easy to harvest, but it is worth the effort, since the mature plants can be very pricey.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Stunning! by terrafirma Apr 22, 2014 2:19 PM 2
Oh My! by plantladylin May 8, 2014 9:32 AM 1
Untitled by VictorGustavo Nov 5, 2019 1:04 PM 0
Genus correction for two ... by plantladylin Jul 7, 2017 11:14 PM 7
Alcantarea (Vriesea imperialis 'Rubra') by bonitin Oct 3, 2015 1:40 AM 1
Is this Portea? by Dutchlady1 Jul 10, 2015 8:06 AM 3
Bromeliads by Fred Oct 6, 2020 7:45 AM 4,182

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