Acer negundo californicum (montalvo ‘Itchy’)
We collected the seeds for these specimens from Montalvo, SF, USA. Reason for the itchy, while collecting these under torchlight they made the fingers itch…
M winter seeded these and we have about 20 specimens.
California Box Elder.
Family: Aceraceae (ay-ser-AY-see-ee)
Genus: Acer (AY-ser)
Species: negundo var. californicum
Category:
Trees
Height:
30-40 ft. (9-12 m)
over 40 ft. (12 m)
Spacing:
20-30 ft. (6-9 m)
Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
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)
Sun Exposure:
Full Sun
Sun to Partial Shade
Bloom Color:
Pink
Bloom Time:
Mid Spring
Late Spring/Early Summer
Foliage:
Deciduous
Good Fall Color
Other details:
Drought-tolerant; suitable for xeriscaping
Soil pH requirements:
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Seed Collecting:
It works…
