A popular lemon variety, Citrus x limon 'Eureka' is a medium-sized, almost thornless, evergreen tree of spreading and open growth habit, prized for its abundant crops of oblong, bright yellow fruits. The fruit is pleasantly fragrant, thick-skinned, with a short neck and a conspicuous nipple. It is juicy, with a highly sour flavor, and noted for having very few seeds. The fragrant flowers are beautiful with their waxy white petals, tinged purple in bud, and their bundled white stamens adorned with yellow anthers. They shine against the evergreen foliage of ovate, glossy dark green leaves. Flowers and fruit appear throughout the year - most prolifically in late winter, spring, and early summer. Eureka is a heavy yielder and begins bearing fruit early in age. Self-fertile, Eureka ranks as a major variety in most important lemon-growing countries. It makes an attractive landscape or container specimen.

• Grows up to 20 ft. tall and wide (6 m).
• A full sun lover, this plant is easily grown in sandy, neutral or acidic, well-drained soils. Tolerates light shade but performs best in full sun. Needs water regularly but cannot stand flooding or saturated soils.
• Eureka Lemon is more sensitive to cold than any of the lemon fruits. Grow it indoors in a warm, sunny room and move it outdoors in late spring to a sunny spot protected from wind.
• This tree requires pruning to keep appropriate size.
• Generally disease free. Keep an eye out for citrus red spider mite, glasshouse red spider mite, soft scale and fluted scale, aphids, caterpillars and mealybugs under glass.
• Propagate by semi-hardwood cuttings and grafting.
• Toxic to dogs, toxic to cats, toxic to horses.