Althea, Helene
Hibiscus syriacus 'Helene'
$164.98
Hibiscus syriacus ‘Helene’
Out of stock
Description
Altheas or Rose of Sharon are well known as a long-blooming, upright, vase-shaped shrubs. Typically grow 8-12’ tall, but can vary based on variety. Green foliage along upright stems. With a three month bloom time, Altheas have a supreme display of color with a range of virtually every flower color based on variety. They prefer moist, rich soil, but tolerate poor soils and summer drought. Best flower should be in full sun, but will tolerate part shade as well.’Helene’ has large, beautiful, white flowers with a reddish-purple center. It has dark green leaves and a dense, upright growth habit. It is known for its hardiness and drought tolerance.For reference only:
#1 container : commonly known as a 1-gallon pot : 152 to 251 cubic inches.
#2 container : 320 to 474 cubic inches.
#3 container : 628 to 742 cubic inches.
#5 container : commonly known as a 5-gallon pot : 785 to 1242 cubic inches.
Pot Sizes (inches) | Pot Equivalent (U.S. Gallons) | Dry Soil Needed (Approx. cu.ft.) |
4″ pot | pint / 0.5 quart / .125 gallon | 0.01 ft3 |
5-6″ pot | quart / 0.25 gallon | 0.03 ft3 |
7-8″ pot | 1 gallon | 0.13 ft3 |
8.5″ pot | 2 gallon | 0.26 ft3 |
10″ pot | 3 gallon | 0.40 ft3 |
11″ pot | 4 gallon | 0.53 ft3 |
12″ pot | 5 gallon | 0.66 ft3 |
13″ pot | 6 gallon | 0.80 ft3 |
14″ pot | 7 gallon | 0.94 ft3 |
16″ pot | 10 gallon | 1.33 ft3 |
18″ pot | 15 gallon | 2.00 ft3 |
21″ pot | 20 gallon | 2.67 ft3 |
24″ pot | 25 gallon | 3.34 ft3 |
30″ pot | 30 gallon | 4.01 ft3 |
Pot Sizes (inches) | International (Liters) | |
4″ pot | .5 L [.473] | |
5-6″ pot | 1 L [.946] | |
7-8″ pot | 4L [3.78] | |
8.5″ pot | 7.5 L [7.57] | |
10″ pot | 11 L [11.35] | |
11″ pot | 15 L [15.14] | |
12″ pot | 19 L [18.92] | |
13″ pot | 22.5 L [22.71] | |
14″ pot | 26.5 L [26.49] | |
16″ pot | 38 L [37.85] | |
18″ pot | 57 L [56.78] | |
21″ pot | 75.5 L [75.70] | |
24″ pot | 94.5 L [94.63] | |
30″ pot | 113.5 L [113.56] |