Tulipa clusiana 'Tubergens Gem' (Tubergen's Gem Lady Tulip)


Botanical Information

FamilyLiliaceae
GenusTulipa
Speciesclusiana
Cultivar'Tubergens Gem'
CategoryBulbs, Perennials

Details

USDA Hardiness Zone3a - 7b
USDA Hardiness Ref.
Canadian Hardiness Zone1a - 6b
Canada Hardiness Ref.
RHS Hardiness ZoneH5 - H7
RHS Hardiness Ref.
Temperature (°C)-40 - (-15)
Temperature (°F)-40 - 5
Height15 - 30 cm
Spread15 - 22 cm
GrowthFast
Flowering PeriodApril, May

Description and Growing Information

PestsPossible problems include: aphids, slugs, stem and bulb eelworm. Tulip fire is caused by a rapidly spreading fungus, Botrytis tulipae, affects all parts of the plant (leaves, stems and flowers). Leaves are malformed, developing in a twisted fashion. Leaves, stems and flowers develop tan or light brown spots. No fungicides are available, to remedy the condition remove and destroy any infected plants immediately. Do not plant tulips in affected area for 3 years. Tulip grey bulb rot is caused by the fungus Sclerotium tuliparum, (syn. Thizoctonia tuliparum). When infected, foliage may be malformed or fail to emerge. No fungicides are available, to remedy, remove and destroy affected bulbs. Do not plant tulips in affected area for 5 years. Tulip leaf spot is caused by Ilyonectia crassa which produces brown scaring on young leaves and leads to curing or holes when the leaf grows. No fungicides are available, to remedy, remove affected leaves and lower humidity around remaining foliage.
HabitatHorticultural origin.

Photographs