Ulmus laevis       0

- eFloras. eFloras.org Vol. 2 pag. 134116. Ulmus
- Flora of North America. Ulmus
- Silvics of North America, Burns, Russell M and Honkala, Barbara H and others. Agriculture Handbook (Washington) 1990 Vol. 2.

Indigenous plant
Biological type: tree
Frost resistance: 5ºF
Leaf color: dark green
Flower color: pink
Reproduction mode: hermaphrodite plant whoes flowers produce both male and female gametes
Indexed Sensitive to the insect Anoplophora glabripennis The Regional Directorate for Food, Agriculture and Forestry.
Indexed Susceptible to the bacteria Xylella fastidiosa The Regional Directorate for Food, Agriculture and Forestry.
Indexed Sensitive to the insect Popillia japonica The Regional Directorate for Food, Agriculture and Forestry.

Specifications for the Mediterranean basin
Adult size (h x w): 114,8ft x 65,6ft
Sun exposure: full sun (Sun hours: >6h
Foliage: deciduous
Growth: fast
Flowering time from March until April

Specific information for our garden
Planting substrate: 40%Compost+20%Peet+40%Sand
Plant watering: 3x a week pH 5.5
Logical sequence of containers for: Trees; forestry plate, forestry pot 3L, container 6L, container 55L, container 110L, container 240L
Propagation is done by cuttings

SPRING Sow the seeds at 2mm depth in the Well Drained Seed Sowing Mix at >77°F. During germination keep the substrate moist and in daylight.

Germination references
- Seed germination of woody and shrubby introduced species, Khudonogova E., Zatsepina O., Polovinkina S., Rachenko M. & Tyapaeva M. IOP Conference Series: Earth and Environmental Science 2019 Vol. 316 pag. 012021. DOI
- Seeds: Ecology, Biogeography, and, Evolution of Dormancy and Germination, Baskin, Carol & Baskin, J.M. 2014 pag. 1-1586. DOI


Germination references for the genus
- Seed propagation of mediterranean trees and shrubs, Piotto and A. Di Noi. 2003. Address
- USDA Forest Service's Woody Plant Seed Manual, John K. Francis and Craig D.Whitesell. 2008. Address