Nyssa sylvatica 'Isabel Grace'

RHS Plant Profile

tupelo 'Isabel Grace'

RHS

Trees

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'Isabel Grace' is a slow-growing, deciduous tree, somewhat smaller than the species, with slightly-weeping branches and narrow leaves that turn blood-red in autumn

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

wider than 8 metres

Size

Time to Maturity: 20–50 years
Max Spread: wider than 8 metres
Max Height: Higher than 12 metres

Growing Conditions

Clay Loam Sand

Moisture: Well–drained
pH: Acid or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Nyssaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Nyssa are deciduous trees with ovate leaves colouring brilliantly in autumn; inconspicuous flowers are followed by small, dull purple fruits
Name Status: Accepted

How to Grow

Cultivation

Grow in moist, humus-rich, fertile soils with shelter from cold, dry winds. Resents transplanting so grow from small, containerised plants

Propagation

Propagate by seed sown in a seedbed in autumn or by softwood cuttings in early summer or semi-hardwood cuttings in mid-summer

Suggested planting locations and garden types

Architectural
Low Maintenance

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility