top of page

Hydrangea paniculata 'Tardiva'

Common Name(s):

Panicle hydrangea

Tardiva hydrangea

Synonym:

​

Tardiva panicle hydrangea

Flower:

White

Blooms :

Jul

to:

Sep

Fertile flowers small and not noticeable, sterile flowers have colored sepals that are larger and showy

Botanical Description

Fragrant?

NO

Family:

Hydrangeaceae

Med - Lg Shrub (usually >3' and never < 1.5')

Foliage:

Green

Leaves oval-ovate, dark green above and lighter beneath up to 6" long

Fall Color?

YES

Spent flowers turn pinkish purple

Deciduous

Photo by: 

Heading 6

Persistent flowers, structural form

Oregon Native?

NO

West State Native?

NO

Origins:

China, Japan

Site Selection

Minimum USDA Hardiness Zone:

3

Water Needs:

M

Sun Needs:

Partial Sun

Deer Resistant?

NO

Firewise?

NO

Height:

8-12'

Spread:

7-10'

Growth Rate:

Fast

Native Habitat:

Mesic forests, along streams

Soil:

Rich well-drained soils

Care Recommendations

Maintenance Level:

Medium

Fertilizer:

Single application of slow-release organic or rose fertilizer in spring

Mulch:

Pine bark chips, compost or leaf mulch

Prune to maintain height at around 6', give full sun with afternoon shade, prefers consistent water, prune late winter/early spring, apply slow-release fertilizer in spring

Long Term:

Winter:

Should be well-watered before ground freezes,, should have a 2-3" layer of mulch for root protection

Spring:

Prune dead or crossing branches for shape and to encourage large blooms, fertilize, provide consistent moisture, mulch as needed

Summer:

Ensure consistent moisture, in hot climates provide afternoon shade,

Fall:

Ensure plant is well watered, apply 2-3" layer of mulch, do not prune

General Care Comments:

Keep pruned to maintain shape and size

Common Problems

May suffer leaf scortch in hot dry summers if planted in full sun

Diseases:

Bud blight, bacterial wilt, leaf spot, powdery mildew

Insects:

Aphids, spider mite, scale, Japanese beetles

Environmental Problems:

Can self seed if not pruned

Pests:

I'm a paragraph. Click here to add your own text and edit me. It's easy.

COMGA

Email:

OMGA and COMGA prohibits discrimination in all its programs, services, activities and materials on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

In reference to publications, events, or activities: Publications will be made available in accessible formats upon request. Please contact us if you have a physical disability that requires an accommodation in order for you to attend the event/activity, please notify the Deschutes County Master Gardener program at phone/email.

Oregon State University Extension Service prohibits discrimination in all its programs, services, activities and materials on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

  • Facebook
  • Instagram
  • YouTube

Facebook

Instagram

YouTube

In collaboration with and support of

bottom of page