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| Category: Perennial |
| Family: Asclepiadaceae (Milkweeds) |
| Origin: Brazil (South America) |
| Evergreen: Yes |
| Flower Color: Blue |
| Bloomtime: Summer |
| Synonyms: [Oxypetalum caeruleum] |
| Height: 1-3 feet |
| Width: 1-2 feet |
| Exposure: Full Sun |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 20-25° F |
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Tweedia caerulea (Blue Flowered Milkweed) - This twining perennial from Brazil and Uruguay grows 2-3 feet on its own and can reach to 10 feet with support. It has 4 inch long gray-green leaves that, like the stems and inflorescence, are covered with fine soft hair. In the summer appear the clusters of star-shaped pale blue flowers with darker turquoise centers that are followed by 4 inch long pods. Plant in full sun and irrigate regularly. Although evergreen it is best to tidy up this plant by cutting it back in early spring. It is often plagued late season by orange aphids which although look somewhat attractive juxtaposed against the blue flowers, should be hosed off or otherwise treated. What color blue is this plant? It sure is fantastic and we have heard some people refer to it as "yuppie blue".
The description above is based on our research and observations of this plant growing in our nursery, in our own garden and in other gardens in the Santa Barbara area. We would appreciate hearing from anyone who has additional information about this plant, even if they disagree with what we have written.
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