Darwin Perennials 2025 catalog

DARWIN PERENNIALS FINISHING GUIDE

LIGHT LEVELS

SERIES/ VARIETY

MEDIA PH

VERNALIZATION REQUIRED

PAGE CROP

TEMPERATURE DAYLENGTH

WATERING

FERTILIZATION

IN FOOT- CANDLES

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

MISCANTHUS Miscanthus sinensis MISCANTHUS Miscanthus sinensis MISCANTHUS Miscanthus sinensis MONARDA Monarda didyma

55

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 fertilizer at a rate of 100 to 125 ppm.

55

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

55

5,000 to 8,000

Allow media to dry slightly

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

Long day obligate

Beneficial for bulking and earlier flowering.

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

between watering.

84

5,000 to 8,000

Allow media to dry slightly

BeeMine™ Series

5.8-6.2 Nights: 55 to

Long day obligate

Beneficial for bulking and earlier flowering.

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

MONARDA Monarda didyma

65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C)

85

between watering.

Not required for flowering.

Prelude™ Series

5.8-6.2 Nights: 55 to

Long day facultative

No

5,000 to 8,000

Allow media to dry moderately

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

NEPETA Nepeta subsessilis

70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)

92

between watering.

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

Long day facultative

No

5,000 to 8,000

Allow media to dry moderately

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

NEPETA Nepeta x faassenii NEPETA Nepeta x faassenii OENOTHERA Oenothera missouriensis PENSTEMON Penstemon barbatus PENSTEMON Penstemon hybrida PENSTEMON Penstemon hybrida

91

between watering. Moderate

Whispurr™ Series

5.8-6.2 Nights: 55 to

Long day facultative

No

5,000 to 8,000

Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 100 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. 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 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 200 ppm N. Use a balanced fertilizer at a rate of 150 to 200 ppm N. Use a balanced fertilizer at a rate of 150 to 175 ppm N. Use a balanced fertilizer at a rate of 100 to 125 ppm.

65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C) 65°F (13 to 18°C) Days: 65 to 75°F (18 to 24°C) 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C) 70°F (7 to 21°C) Days: 55 to 80°F (13 to 27°C)

88

'Evening Sun'

5.8-6.2 Nights: 55 to

Day length neutral

No

5,000 to 8,000

Allow media to dry slightly

93

between watering.

Rock Candy ® Series

5.8-6.2 Nights: 55 to

Long day facultative

No

3,000 to 5,000

Allow media to dry moderately

94

between watering.

'Cherry Sparks'

5.8-6.2 Nights: 55 to

Long day facultative

No

3,000 to 5,000

Allow media to dry moderately

96

between watering.

MissionBells™ Series

5.8-6.2 Nights: 45 to

Long day obligate

No

3,000 to 5,000

Allow media to dry moderately

97

between watering.

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

Long day obligate

No

3,000 to 5,000

Allow media to dry moderately

PENSTEMON Penstemon hybrida

97

between watering.

'CrazyBlue'

5.8-6.2 Nights: 55 to

Long day obligate

No

5,000 to 8,000

Allow media to dry slightly

PEROVSKIA Perovskia atriplicifolia PEROVSKIA Perovskia atriplicifolia

65°F (13 to 18°C) Days: 60 to 65°F (16 to 18°C) 65°F (13 to 18°C) Days: 60 to 65°F (16 to 18°C)

99

between watering.

Little Lace

5.8-6.2 Nights: 55 to

Long day obligate

No

5,000 to 8,000

Allow media to dry slightly

98

between watering. Moderate

Spring Splash™ Series

5.8-6.2 60 to 75°F (16 to 24°C)

5,000 to 8,000

PHLOX Phlox hybrida

106

Ka-Pow ® Series 5.8-6.2 60 to 75°F (16 to 24°C)

Long day obligate

No

5,000 to 8,000

Moderate

PHLOX Phlox paniculata PHLOX Phlox paniculata POLEMONIUM Polemonium pulcherrimum

101

Super Ka-Pow™ Series

5.8-6.2 Nights: 56 to

Long day obligate

No

5,000 to 8,000

Moderate

64°F (13 to 18°C) Days: 65 to 76°F (18 to 24°C) 55°F (10 to 13°C) Days: 60 to 65°F (16 to 18°C)

102

'Golden Feathers'

5.8-6.2 Nights: 50 to

Long day obligate

Yes

1,500 to 2,500

Allow media to dry slightly

111

between watering.

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

Day length neutral

No

3,000 to 5,000

Allow media to dry moderately

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

SALVIA Salvia greggii SALVIA Salvia greggii

121

between watering.

'Radio Red'

5.8-6.2 Nights: 45 to

Day length neutral

No

5,000 to 8,000

Allow media to dry moderately

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

70°F (7 to 21°C) Days: 55 to 80°F (13 to 27°C)

120

between watering.

Product information and culture charts at darwinperennials.com

158 | FINISHING GUIDE

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