Saturday, March 7, 2015

Snow? So Grow! Part 1

It's time to start vegetable seeds indoors, especially if you want to transplant cool season veggies like broccoli, Brussels sprouts, cauliflower and cabbage outside in a few weeks.  Read my latest column on seeds and reading a seed packet first - Denver Post March 7, 2015 Punch List.  Then check the chart below for windows to sow indoors or direct seed outside. 

Some cool-season seeds like lettuce, spinach, and arugula are just better directly sown in the ground when the weather and soil conditions are right (March through early May). They are such quick growers there's no need to start them by seed indoors.  If you have cold frames or similar to get started earlier, then you know what to do (don't forget to send me photos of your early lettuces please).  It's much too early to plant warm-season crops outside, but it's time to start peppers and eggplant by seed indoors, they can take up to 8 weeks to fully grow into transplant size.  I'll post a chart for flower seeds shortly, so please check back.


Vegetable Planting Calendar for the Colorado Front Range
Add at least 2 weeks for higher altitudes
For super earlier spring planting (using Tunnels, Cloches, Cold Frames), move up all dates accordingly



CROP
COOL
SEASON
DAYS
TO
MATURITY
START SEEDS INDOORS
PLANT SEEDS IN THE GROUND
PLANT
TRANSPLANTS
OUTSIDE
Arugula
30

April 15-June 1

Asparagus
Perennial


Plant root crowns
April 15 to May 15
Beets
60-65

May 1-May 15

Broccoli
70
March 1-Mar15

April 1-May 15
Brussels Sprouts
80-95
March 1-Mar15

April 1-May 15
Cabbage
60-70
March 1-Mar15

April 1-May 15
Carrots
55-75

May 1-May 15

Cauliflower
50-55
March 1-Mar15

April 1-May 15
Cilantro
55-65
March 1-Mar30
May 1- May 15
May 1 -  May 15
Chard-Swiss
50

April 15-July 15

Celery
85-110


Fall planted best
Chinese (Napa) Cabbage
48-55
April 15-April30

May 15-June 1
Chives Onion
Perennial


May 15-Sept. 15
Chives Garlic
Perennial


May 15-Sept. 15
Collards
50-55
April 15-May15


Garlic



Best planted in Fall
Horseradish
Perennial


May 15-June 15
Kale, Mustard Greens
50-55

April 15-May15

Kohlrabi
55

April 15-May15

Lettuce Leaf
40-45

April 15-May15

Lettuce Head
70-80

April 15-May15

Onion Bulb
100

April 15-May15

Onion Bunching
60-80

April 15-May15

Parsley
75
March 1-Mar30
May 1-May 15
May 1 – May 15
Parsnips
85-120

April 15-May15

Peas – shell and snap
50-65

April 15-May15

Peas Edible Podded - snow
60



Potato Tubers
80-120

April 15-May15

“New” Potatoes
50-60 days

April 15-May15

Radishes
20-30

April 15-May15

Rhubarb
Perennial


May 1 –June 15
Rutabaga
90-95

Early August

Spinach
30-50

April 15-May15

Turnip
40-75

April 15-May15






CROP
WARM
SEASON
DAYS
TO
MATURITY
START SEEDS INDOORS
PLANT SEEDS IN THE GROUND
PLANT
TRANSPLANTS
OUTSIDE
Basil
60-85
April 15-May 15
June 1-July 15
June 1 – August 15
Beans, Bush
45-50

May20-July  15

Beans, Pole
60-65

May 20-June 30

Corn, Sweet
65-80

May 20-June 15

Cucumber
Slicing
48-72

May 20-June 15

Cucumber
Pickling
58-58

May 20-July 1

Eggplant
60-80
March 15-
April 10

May 20-June 10
Cantaloupe
85-120
April 15-May1
May 20-June 10
May 20-June 10
Okra
55-65
April 15-20
June 10-July 15
June 10-July 15
New Zealand
Spinach
50-60

May 20-July 15

Pepper
70-80
March 1-
April 10

May 20-June 10
Pumpkin
95-110
April 15-May 1
May 20-June 5
May 20-June 5
Squash
Summer
55-65
April 15-May 1
May 20-July 15
May 20-June 10
Squash
Winter
55-105
April 15-May 1
May 20-June 10
May 20-June 10
Tomato
60-85
March 15-
April 10

May 20-June 20
Tomatillos
75-100
March 15-
April 10

May 20-June 10
Watermelon
75-100
April 5-15

May 20-June 10


Document by Betty Cahill, http://gardenpunchlist.blogspot.com/
 
 

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