Alcea rugosa
Hollyhock
Type Biennial, perennial
Hardy range 2A to 8A
Height 5' to 6' / 1.60m to 1.80m
Spread 12" to 36" / 30cm to 90cm
Growth rate Fast
Form Upright or erect
Exposure Full sun
Bloom Color Yellow
Bloom Time Summer and Fall
Environment This plant tolerates some drought and some salt.
This plant will grow in dry to moist soil.
Suitable soil is well-drained/loamy, sandy or clay.
The pH preference is an acidic to neutral (less than 6.8 to 7.2) soil.
Leaf Color Green
Culture Notes This tall plant will need staking if not planted next to a fence or a wall. Remember that cultivars will not come true from seed. This plant is usually grown as a biennial, but can be grown as a perennial if, after flowering, it is cut to 6in/15cm above the ground. Burn the remains.
A. rugosa (Russian Hollyhock) has large, single, yellow (sometimes appearing as yellowish-orange) blooms and deeply lobed foliage. It tends to have less of a problem with hollyhock rust than some of the other cultivars.
Alcea rosea syn. Althaea rosea 'Powder Puff'
Hollyhock
Type Biennial, perennial
Hardy range 5B to 9A
Height 4' to 5' / 1.20m to 1.60m
Spread 12" to 36" / 30cm to 90cm
Growth rate Fast
Form Upright or erect
Exposure Partial shade or partial sun to full sun
Bloom Color Salmon
Bloom Time Summer
The flowers are showy and suitable for cut flowers.Environment This plant tolerates some drought and some salt.
This plant will grow in dry to moist soil.
Suitable soil is well-drained/loamy, sandy or clay.
The pH preference is an acidic to neutral (less than 6.8 to 7.2) soil.
Leaf Color Green
Culture Notes This tall plant will need staking if not planted next to a fence or a wall. Remember that cultivars will not come true from seed. This plant is usually grown as a biennial, but can be grown as a perennial if, after flowering, it is cut to 6in/15cm above the ground. Burn the remains.
Alcea rosea syn. Althaea rosea 'Indian Spring'
Hollyhock
Type Biennial, perennial
Hardy range 5B to 9A
Height 4' to 5' / 1.20m to 1.60m
Spread 12" to 36" / 30cm to 90cm
Growth rate Fast
Form Upright or erect
Exposure Full sun
Bloom Color Pink and red
Bloom Time Summer
Environment This plant tolerates some drought and some salt.
This plant will grow in dry to moist soil.
Suitable soil is well-drained/loamy, sandy or clay.
The pH preference is an acidic to neutral (less than 6.8 to 7.2) soil.
Leaf Color Green
Culture Notes This tall plant will need staking if not planted next to a fence or a wall. Remember that cultivars will not come true from seed. This plant is usually grown as a biennial, but can be grown as a perennial if, after flowering, it is cut to 6in/15cm above the ground. Burn the remains.
Cut to basil foliage after blooming.
Alcea rosea syn. Althaea rosea 'Nigra'
Hollyhock
Type Biennial, perennial
Hardy range 5B to 9A
Height 4' to 6' / 1.20m to 1.80m
Spread 12" to 36" / 30cm to 90cm
Growth rate Fast
Form Upright or erect
Exposure Full sun
Bloom Color Brown and red
Bloom Time Summer and Fall
Environment This plant tolerates some drought and some salt.
This plant will grow in dry to moist soil.
Suitable soil is well-drained/loamy, sandy or clay.
The pH preference is an acidic to neutral (less than 6.8 to 7.2) soil.
Leaf Color Green
Culture Notes This tall plant will need staking if not planted next to a fence or a wall. Remember that cultivars will not come true from seed. This plant is usually grown as a biennial, but can be grown as a perennial if, after flowering, it is cut to 6in/15cm above the ground. Burn the remains.
'Nigra' is quite striking due to its deep chocolate-red blossoms and perfectly round foliage. It attracts both bees and butterflies.
Alcea rosea syn. Althaea rosea
Hollyhock
Type Biennial, perennial
Hardy range 5B to 9A
Height 6' to 10' / 1.80m to 3.00m
Spread 12" to 36" / 30cm to 90cm
Growth rate Fast
Form Upright or erect
Exposure Partial shade or partial sun to full sun
Bloom Color Lavender, orange, pink, purple, red, salmon, white and yellow
Bloom Time Summer and Fall
Environment This plant tolerates some drought and some salt.
This plant will grow in dry to moist soil.
Suitable soil is well-drained/loamy, sandy or clay.
The pH preference is an acidic to neutral (less than 6.8 to 7.2) soil.
Leaf Color Green
Culture Notes This tall plant will need staking if not planted next to a fence or a wall. Remember that cultivars will not come true from seed. This plant is usually grown as a biennial, but can be grown as a perennial if, after flowering, it is cut to 6in/15cm above the ground. Burn the remains UNLESS you are interested in dye making and/or paper making. Hollyhocks produce dye colors of yellow, pink, maroon, brown and olive. The plant's bast fiber is used to produce paper.
Alcea x 'Summer Memories'
Hollyhock
Type Biennial, perennial
Hardy range 2A to 8A
Height 5' to 6' / 1.60m to 1.80m
Spread 12" to 36" / 30cm to 90cm
Growth rate Fast
Form Upright or erect
Exposure Full sun
Bloom Color Orange, pink, purple, salmon and yellow
Bloom Time Summer
Environment This plant tolerates some drought and some salt.
This plant will grow in dry to moist soil.
Suitable soil is well-drained/loamy, sandy or clay.
The pH preference is an acidic to neutral (less than 6.8 to 7.2) soil.
Leaf Color Green
Culture Notes This tall plant will need staking if not planted next to a fence or a wall. Remember that cultivars will not come true from seed. This plant is usually grown as a stately biennial, but can be grown as a short-lived perennial if, after flowering, it is cut to 6in/15cm above the ground. Burn the remains. 'Summer Memories' comes in mixed colors and has medium green foliage.
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