Darwin 2026 Perennials Catalog - Star Roses

DARWIN PERENNIALS FINISHING GUIDE

LIGHT LEVELS

SERIES/ VARIETY

MEDIA PH

VERNALIZATION REQUIRED

PAGE CROP

TEMPERATURE DAYLENGTH

WATERING FERTILIZATION

IN FOOT- CANDLES

Use a balanced fertilizer at a rate of 125 to 150 ppm.

Long day facultative

No

5,000 to 8,000

Allow media to dry slightly

'Annet'

5.8-6.2 Nights: 55 to 65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C)

LAVANDULA Lavandula angustifolia

between watering.

42

Use a balanced fertilizer at a rate of 125 to 150 ppm.

Long day facultative

No

5,000 to 8,000

Allow media to dry slightly

‘SuperBlue’

5.9-6.2 Nights: 55 to 65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C)

LAVANDULA Lavandula angustifolia

between watering.

42

Use a balanced fertilizer at a rate of 100 to 125 ppm.

5,000 to 8,000

Allow media to dry slightly

Beneficial for earlier flowering and more blooms.

Lavender Frost™ Series

5.8-6.2 Nights: 56 to 64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C)

LAVANDULA Lavandula pedunculata

between watering.

45

Use a balanced fertilizer at a rate of 100 to 125 ppm.

5,000 to 8,000

Allow media to dry slightly

Day length neutral

Beneficial for earlier flowering and more blooms.

Anouk Series

5.8-6.2 Nights: 56 to 64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C)

LAVANDULA Lavandula stoechas

between watering.

43

Use a balanced fertilizer at a rate of 100 to 125 ppm.

Day length neutral

No

5,000 to 8,000

Allow media to dry slightly

Primavera

5.8-6.2 Nights: 56 to 64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C)

LAVANDULA Lavandula stoechas

between watering.

44

Make My Daisy™ Series

5.8-6.2 Nights: 55°F (13°C) Days: 68°F (20°C)

Long day facultative

No

5,000 to 8,000

Moderate

Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 150 to 175 ppm N.

LEUCANTHEMUM Leucanthemum superbum LEUCANTHEMUM Leucanthemum x superbum MISCANTHUS Miscanthus sinensis MISCANTHUS Miscanthus sinensis MISCANTHUS Miscanthus sinensis MONARDA Monarda didyma

46

'Whitecap'

5.8-6.2 Nights: 55°F (13°C) Days: 68°F (20°C)

Long day facultative

No

5,000 to 8,000

Moderate

47

Bandwidth

5.8-6.5 65 to 75°F (18 to 24°C)

Long day facultative

No

5,000 to 8,000

Low to moderate Low

35

High Frequency 5.8-6.2 60 to 68°F (16 to 20°C)

Short day obligate

No

5,000 to 8,000

Low to moderate Use a balanced

35

fertilizer at a rate of 100 to 125 ppm.

My Fair Maiden 5.8-6.5 65 to 75°F (18 to 24°C)

Short day obligate

No

5,000 to 8,000

Low to moderate Low

35

Use a balanced fertilizer at a rate of 125 to 150 ppm.

5,000 to 8,000

Allow media to dry slightly

Long day obligate

Beneficial for bulking and earlier flowering.

Balmy™ Series 5.8-6.2 Nights: 55 to 65°F (13 to 18°C) Days: 60 to 65°F (16 to 18°C)

between watering.

49

Use a balanced fertilizer at a rate of 125 to 150 ppm N.

5,000 to 8,000

Allow media to dry slightly

Long day obligate

Beneficial for bulking and earlier flowering.

BeeMine™ Series

5.8-6.2 Nights: 55 to 65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C)

MONARDA Monarda didyma

50

between watering.

Not required for flowering.

Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 125 to 150 ppm. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 125 to 150 ppm.

Long day facultative

No

5,000 to 8,000

Allow media to dry moderately

Prelude™ Series 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)

NEPETA Nepeta subsessilis

54

between watering.

Long day facultative

No

5,000 to 8,000

Allow media to dry moderately

Junior Walker™

5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 5.8-6.2 Nights: 55 to 65°F (13 to 18°C) Days: 60 to 65°F (16 to 18°C)

NEPETA Nepeta x faassenii

53

between watering. Moderate

Long day facultative

No

5,000 to 8,000

Whispurr™ Series

NEPETA Nepeta x faassenii

53

Long day facultative

No

3,000 to 5,000

Allow media to dry moderately

Rock Candy ® Series

PENSTEMON Penstemon barbatus

56

between watering.

Long day facultative

No

3,000 to 5,000

Allow media to dry moderately

'Cherry Sparks'

PENSTEMON Penstemon hybrida

59

between watering.

Long day obligate

No

3,000 to 5,000

Allow media to dry moderately

Mountain Treats™ Series

PENSTEMON Penstemon hybrida

57

between watering.

Long day facultative

No

3,000 to 5,000

Allow media to dry moderately

Summit Sweets™ Series

PENSTEMON Penstemon hybrida

58

between watering.

Long day obligate

No

5,000 to 8,000

Allow media to dry slightly

'CrazyBlue'

PEROVSKIA Perovskia atriplicifolia

60

between watering.

Product information and culture charts at darwinperennials.com

88 | FINISHING GUIDE

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