Hydrangea Penny Mac

Blue Hydrangea Penny Mac, Hydrangea macrophylla, Mophead Hydrangea

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The Baby Blue Hydrangea This one delivers beautiful powder blue blooms on an attractive, large-leaved plant. (Hydrangea macrophylla)

Zones 5 - 8
Advantages
Attract Birds
Attract Birds
Cut Flowers
Cut Flowers
Extended Blooms
Extended Blooms
Dried Flowers
Dried Flowers
Light Requirements
Half Sun / Half Shade
Half Sun / Half Shade
Mature Plant Size 36-48" (3-4 feet), 36-48" (3-4 feet)
Bloom Time Mid summer through fall
Size Plant - 4" pot
SKU 3HYDR

Plant Information

These famous shrubs are not small, usually four feet or more high with a similar spread, so give them room. Penny Mac is what is called a Mophead hydrangea for obvious reasons, and the Mopheads are a group from the species H. macrophylla which is well-known for compact, not rangy plants. But of course, the best thing about them are the colors.

Penny Mac is a newer blue, a color that is bred into the plant. But like all hydrangeas, the colors may vary a bit once you plant it. For complete information on this group of plants and how to change the color, there's a great website called HydrangeasHydrangeas.com where you can read all about it. Click here.

About Hydrangeas: These popular shrubs, also called Hortensia, all have rounded flower clusters that persist through summer and fall. There are several types, since there are several species of the plant the hybridizers work with:
H. macrophylla or French Hydrangeas. These, the most popular, form non-rangy, attractive shrubs about 4 to 6 ft. tall, and are famed for their big, colorful ball-like flowers, usually blue or pink. The popular group here is called Mophead hydrangeas. Artificially shortened versions are sold in pots on Easter and Mothers Day, and the blooms are florists favorites, always popular for wedding decorations. In addition to the mopheads (solid ball of flowers), there are also lacecap versions of these hydrangeas. (H. macrophylla is native to the Far East.)
H. arborescens, a US native, includes the widely-planted, Annabelle. Much like the Mopheads, Annabelle is a shorter hydrangea with huge rounded flower clusters in pure white. This is the one famous for flowers so large they often weigh down the branches, needing special support.
H. paniculata, is a larger species, much taller than the Mopheads. The flower clusters are more cone-shaped, rather than round. The plant in this group is more rangy than the shorter types, but can be controlled by pruning. The famous Pee Gee hydrangea, often grown as a small tree is in this group, and was imported from Japan in the late 19th century. There are also newer H. paniculata hybrids, including the beautiful greenish-flowered one called Limelight.
Other Types: There are several other important hydrangeas. The tall native Oakleaf hydrangea (sometimes considered a small tree) is also a variety of the species, H. paniculata.

SKU 3HYDR
Common Name Mophead Hydrangea
Botanical Name Hydrangea macrophylla
Zones 5, 6, 7, 8
Light Requirements Half Sun / Half Shade
Flower Color Blue
Flower Size Up to 7 inch flowers
Mature Height 36-48" (3-4 feet)
Estimated Mature Spread 36-48" (3-4 feet)
Bloom Time Mid summer through fall
Ships As Potted Plant
Planting Time Fall
Soil Type Loamy Soil
Soil Moisture Average, Well Draining
Advantages Attract Birds, Cut Flowers, Extended Blooms, Dried Flowers
Ships to Hawaii, Alaska & Canada No

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As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Fall bulbs are shipped at the proper planting time for your hardiness zone. Perennial orders may arrive separately from bulbs and seeds. If your order requires more than one shipment, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you need express shipping or have any questions, please call Customer Service toll-free at (877) 309-7333 or contact us by email.

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USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

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