Blue Nasturtium

Tropaeolumazureum

Genus
Tropaeolum (tro-PEE-oh-lum)
Species
azureum (a-ZOOR-ee-um)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Herbaceous
Height
6-8 ft. (1.8-2.4 m)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Light Blue
Dark Blue
Medium Blue
Blue-Violet
Lavender
Medium Purple
Bloom Time
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Tropicals and Tender Perennials
Vines and Climbers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
Seed Collecting
Bag seedheads to capture ripening seed
Properly cleaned, seed can be successfully stored
Regional

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Gardener's Notes:

2
positives
1
neutral
0
negative
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O
O
| October 2016 | neutral

I have had some of these seeds planted now for a while ( about 6 months) , and various things have come up in the potting mix, but none o...Read More

K
K
(Zone 7a) | March 2010 | positive

Relatively easy to germinate. This seed germinates at about 40 degrees temperature. And begins making a taproot/tuber fast.

U
U
(Zone 9b) | December 2007 | positive

Tropaeolum azureum (Chilean endemic species) is a lovely climber with bright blue to deep purple flowers with a white center, produces a ...Read More

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