Plant Name:  Philadelphus Coronarius
Common name:  Sweet Mock Orange, Sweet Syringa
Plant type: Deciduous shrub
Height: 3-10 ft (depends on variety)
Spread:   3-6 ft
Bloom Time:  Mid to Late Spring
Flower Color:  White, Creamy White
Exposure: Full Sun to Part Shade
Soil Requirements: Tolerates a range of soils including clay, but prefers moist, well-drained soils high in organic matter.
Water Needs: Medium
Attributes:   Very fragment flowers, Attracts pollinators (especially butterflies), Deer resistant
Note:   Prune to control height, popular ornamental shrub
Uses: Woodlands, Foundation plantings, Shrub borders, Cottage garden, Hedge, Sitting garden, Sunny edges, English garden,
Native to: Northern Asia and Japan, Western United States, Southern Atlantic coast of USA and Mexico
USDA Hardiness Zone: 4-9 (depends on variety)

There are many hybrid varieties of Philadelphus Coronarius, below are few of the popular ones:

Philadelphus x lemoinei Hybrids   Hardiness zone 4-8
‘Avalanche’ – Low-growing 3.5′ tall, Arching branches. Very fragrant single flowers about 1″ across.
‘Belle Etoile’ – 6′ tall, Single white flowers with a dark center blotch.
‘Innocence’ – Very fragrant, 8′ tall, single white blooms,  slightly variegated leaves.

Philadelphus x virginalis Hybrids:  Hardiness zone 5-9 ( unless noted otherwise)
‘Philadelphus pallidus’ 6’ tall, snow-white double flowers, rich green color leaves
‘Minnesota Snowflake’ – Popular selection, 6′ tall, double, pure white blooms, very fragrant 2″ wide flowers
‘Virginal’ – An old-fashioned cultivar,10’tall, double blooms with intense fragrance.
‘Natchez’ – One of the best. 10’tall, Covered with 2″ white fragrant blooms in May. Hardiness zone 4-7

Dwarf  Hybrids
‘Miniature Snowflake’ – 4′ tall, double white flowers, fragrant, dark green foliage. Hardiness zone 4-7
‘Manteau d’Hermine’ –  Compact 2-3’ tall, profuse heavily perfumed blooms. Hardiness zone 5-9
‘Illuminati Tiny Tower’– Narrow upright shrub 3-4’ tall. Space-saving, fragrant flowers Hardiness zone 4-7