Juglans regia 'Houston'

Cultivar

Angiosperms > Fagales > Juglandaceae > Juglans > Juglans regia

Characteristics

A perennial monoecious deciduous tree.
Life form perennial
Growth form tree
Growth support -
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread -
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Mature height (meter) -
Root system -
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Flower color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Origin: in Byron, Calif., by Alba C. Houston. Introd. in 1958. Parentage unknown; appeared in shipment of Payne trees secured from a San Jose nursery in 1933; discovered in 1947. Nut: shell color similar to Blackmer, and similar to it in size and shape but better sealed; kernel color intermediate between Payne and Franquette, with slight tendency to speckle; kernel averages 52% of nut, being only slightly more than Payne; highly resistant to sunburn; ripens l week later than Payne. Tree: growth starts about the same time as Payne; starts bearing 1 year later than Payne; easier to shake than Payne; growth similar to Eureka, only more spreading and not as tall; more vigorous than Payne; pistillate bloom date about 3 days later than Payne; tends to bear most of crop on terminals and subterminals, about 10% of lateral buds fruitful; possibly more susceptible to frosted scale insect than other varieties of the Blackmer type. Fruit:
Mode -
Germination duration (days) 30 - 180
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -23
Optimum temperature (C°) 15 - 30
Size -
Vigor -
Productivity -

Identifiers

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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Juglans regia 'Houston'