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)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 9b -3.9 °C (25 °F) to -1.1 °C (30 °F)
Plant Height: 3 - 6 feet
Leaves: Deciduous
Flowers: Showy
Flower Color: Blue
Bloom Size: 1"-2"
Flower Time: Spring
Underground structures: Tuber
Propagation: Seeds: Provide darkness
Days to germinate: 2 -- 3 months
Containers: Suitable in 3 gallon or larger

Image
Common names
  • Blue Nasturtium
Botanical names
  • Accepted: Tropaeolum azureum
  • Synonym: Tropaeolum lepidum

Photo Gallery
Uploaded by Mutisia
Location: Santiago, Chile
Date: Spring
Location: Alpine Garden Society show, Hexham UK
Date: 2010-03-27
Location: My apartment in Santiago, Chile, a long time ago
Date: Spring
These were the first T. azureum I grew from seeds while I still l
Uploaded by Mutisia
Location: My apartment in Santiago, Chile, a long time ago
Date: Spring
Location: central Illinois
Date: 2018-04-16
Location: My apartment in Santiago, Chile, a long time ago
Date: Late winter
First year seedlings - unfortunately, the whole box was 'lost' on
Uploaded by Mutisia
Location: Santiago, Chile
T. azureum tubers

First blooms of the year!
Uploaded by Mutisia

These tubers bury themselves very deep - here you can see how the
Uploaded by Mutisia
Uploaded by Mutisia
Location: Long ago, while I still lived in Santiago, Chile
Date: Spring
A  very pale T. azureum
Location: Santiago, Chile
Date: early Spring
The small flowered Tropaeolum species from Chile can have either

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