Protocol Information

Morris J. Houck, Jr.
USDA NRCS - James E. "Bud" Smith Plant Materials Center
3776 Farm Road 1292
Knox City, Texas 79529-2514
(940) 658-3922
(940) 658-3047 Fax
mhouck@tx.nrcs.usda.gov

Family Scientific Name: Platanaceae

Family Common Name: Sycamore Family

Scientific Name: Platanus occidentalis L.

Common Name: American sycamore

Species Code: PLCC

Ecotype: The Point, Guy Sandy Area and the Buckhorn Area

General Distribution: Maine to Iowa, south to central Texas and northwestern Florida. Also, in northeastern Mexico. Planted in South Dakota, Colorado, Nebraska, Kansas.

Propagation Goal: Plants

Propagation Method: Seed

Product Type: Container (plug)

Target Specifications: Stock Type: Container seedling.
Height: 3 ft.
Caliper: N/A.
Root System: Long taproot.

Propagule Collection: Collected in Chickasaw National Recreation Area, Sulphur, Oklahoma by Rudy G. Esquivel in 11/1997.

Propagule Processing: Seed Processing: Seed heads collected by hand and in large amounts are shaken loose in a canvas sheet or brown bag for small amounts, at the NRCS PMC.
Seeds/Kg: N/A.
Germination: N/A.
Purity: N/A.

Growing Area Preparation/
Annual Practices for Perennial Crops:
Propagation Environment: In the greenhouse and lath house for growing and hardening-off.
Seed Propagation Method: Seed in containers or flats.
Container Type and Volume: 3 gallon.
Growing Media: Sunshine Mix #1 or #3.

Establishment Phase: Sowing Date: Spring is the best time to sow seeds, but fall or late winter sowings are feasible.
% Emergence and Date: N/A.
Sowing/Planting Technique: The seeds may be broadcast or drilled in rows 6 to 8 inches apart. They should be covered with 1/4 inch of soil or mulch.
Establishment Phase: N/A.

Active Growth Phase: N/A.

Hardening Phase: N/A.

Harvesting, Storage and Shipping: Harvest Date: Late fall or early winter.
Total Time To Harvest: November.
Storage Conditions: Clean seeds stored in a temperature regulated seed room at 50� Fahrenheit/50% Humidity. For storage longer than 1 year, seeds should be dried to 10-15% moisture and stored in airtight containers at 20-38� F.

Outplanting performance on typical sites: Outplanting Site: Chickasaw National Recreation Area, Sulphur, Oklahoma.
Outplanting Date: Transplant in early spring or fall.

References: NRCS James E. �Bud� Smith Plant Materials Center, Knox City, Texas, Plant Collection Information, ECS-580; Seeds of Woody Plants in the United States, 641-644.

Citation:

Esquivel, Rudy G. 2001. Propagation protocol for production of container Platanus occidentalis L. plants; USDA NRCS - James E. "Bud" Smith Plant Materials Center, Knox City, Texas. In: Native Plant Network. URL: http://www.nativeplantnetwork.org (accessed 16 January 2009). Moscow (ID): University of Idaho, College of Natural Resources, Forest Research Nursery.

Family Scientific Name:	Platanaceae
Family Common Name:	Sycamore Family
Scientific Name:	Platanus occidentalis L.
Common Name:	American sycamore
Species Code:	PLCC
Ecotype:	The Point, Guy Sandy Area and the Buckhorn Area
General Distribution:	Maine to Iowa, south to central Texas and northwestern Florida. Also, in northeastern Mexico. Planted in South Dakota, Colorado, Nebraska, Kansas.
Propagation Goal:	Plants
Propagation Method:	Seed
Product Type:	Container (plug)
Target Specifications:	Stock Type: Container seedling. Height: 3 ft. Caliper: N/A. Root System: Long taproot.
Propagule Collection:	Collected in Chickasaw National Recreation Area, Sulphur, Oklahoma by Rudy G. Esquivel in 11/1997.
Propagule Processing:	Seed Processing: Seed heads collected by hand and in large amounts are shaken loose in a canvas sheet or brown bag for small amounts, at the NRCS PMC. Seeds/Kg: N/A. Germination: N/A. Purity: N/A.
Growing Area Preparation/ Annual Practices for Perennial Crops:	Propagation Environment: In the greenhouse and lath house for growing and hardening-off. Seed Propagation Method: Seed in containers or flats. Container Type and Volume: 3 gallon. Growing Media: Sunshine Mix #1 or #3.
Establishment Phase:	Sowing Date: Spring is the best time to sow seeds, but fall or late winter sowings are feasible. % Emergence and Date: N/A. Sowing/Planting Technique: The seeds may be broadcast or drilled in rows 6 to 8 inches apart. They should be covered with 1/4 inch of soil or mulch. Establishment Phase: N/A.
Active Growth Phase:	N/A.
Hardening Phase:	N/A.
Harvesting, Storage and Shipping:	Harvest Date: Late fall or early winter. Total Time To Harvest: November. Storage Conditions: Clean seeds stored in a temperature regulated seed room at 50� Fahrenheit/50% Humidity. For storage longer than 1 year, seeds should be dried to 10-15% moisture and stored in airtight containers at 20-38� F.
Outplanting performance on typical sites:	Outplanting Site: Chickasaw National Recreation Area, Sulphur, Oklahoma. Outplanting Date: Transplant in early spring or fall.
References:	NRCS James E. �Bud� Smith Plant Materials Center, Knox City, Texas, Plant Collection Information, ECS-580; Seeds of Woody Plants in the United States, 641-644.