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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Houstonia (caerulea)

brooklyn
Cougar Springs Ranch
1000 Washington Avenue
Brooklyn, New York 11225
www.newmoonnursery.com

Family Scientific Name: Rubiaceae
Family Common Name: Madder family
Scientific Name: Houstonia caerulea L.
Common Name: Azure bluet
Species Code: HOCA4
General Distribution: Fields, open woods
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: 0
Pre-Planting Treatments: Seeds need 4 months of cold, moist stratification. Fill germination trays with fine germination mix and sow the small seeds on the surface. Place the trays in a cold room or cold frame. Keep the medium moist
Establishment Phase: Move the germination trays in warm greenhouse (65F night, 75F day temperatures). Seeds will germinate in 3 weeks. Seedlings can be repotted in plugs or quarter gallon containers filled with growing mix made with 1 part sand 4 parts of a commercial potting mix containing 40-50% of composted pine bark. Seedlings will form a compact rosette and flower about 10 weeks after germination
References: Magee, D.W. and Ahles, H.E. 1999. Flora of the Northeast: a manual of vascular flora of New England and adjacent New York. The University of Massachusetts Press.

Citation:

Chiari, Alessandro. 2004. Propagation protocol for production of Container (plug) Houstonia caerulea L. plants Cougar Springs Ranch Brooklyn, New York. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/02). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.