September 2018


from your friends at Gardenwerks

F O L L O W on F A C E B O O K
F O L L O W on I N S T A G R A M
Monday-Friday 9-5
Saturday 9-3
Sunday Closed

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Join us for an interactive talk about autumn in the garden! Learn how to prepare your perennial beds for the winter and other fall gardening tips.

October 3rd @ 6pm

3225 Cooney Drive


PLANT GARLIC NOW! The next couple weeks are a great time to plant garlic for harvest next summer. Add six inches of straw after planting to help protect the bulbs over the winter, unless there is consistent snow cover. Separate bulbs just before planting and plant individual cloves two inches deep and four to six inches apart. The smaller cloves can be planted, but expect a much smaller bulb to mature compared to the larger, outer cloves. Best in a sunny spot with rich, fertile, well-drained soil. 

The leaf growth occurs during the cool spring weather, while the bulb development happens when the day length increases and the temperatures warm. Irrigate regularly to keep plants growing through the cool season and back off a bit in early July as the bulbs begin to grow. Fertilize when the tops are actively growing and again after the bulbs start to develop.

Harvest when bulbs have matured in late July and August. About half the leaves should be brown and dry, and the scapes have unkinked. Air dry the plants, still intact, for a couple weeks away from direct light. Screening or poultry fencing is a great way to accomplish this. 

Hardneck varieties do best in our cold climate. Rocambole varieties are known for their complex and full flavors. They store well for around six months. Porcelain varieties are similar in taste but produce much larger cloves. They store for 6-8 months. Multiple kinds are available at the shop ready to be planted!


  • Sumac (Three leafed, Staghorn, Tiger Eyes, Gro Low) - Many varieties from groundcovers to small trees. Fabulous fall color on all kinds!
  • Ohio Buckeye (pictured at top) - Beautiful, uniform shade tree offering spectacular fall foliage and interesting fruit.
  • Autumn Brilliance Serviceberry - A favorite of the birds, this native tree offers showy white flowers followed by edible berries and yes, you guessed it, brilliant autumn interest. Multi-stemmed smaller growing tree.
  • Princess Kay Ornamental Plum - This hardy, smaller stature tree is stunning. Flowers appear before the leaves emerge and fall color is outstanding.
  • Hot Wings Maple - Smaller growing maple tree that is perfect for our harsh growing conditions. Bright red seed heads cover the tree in mid summer.
  • Red leafed Rose (pictured above) - Tough, hardy wild rose. Pink flowers, red foliage and great rose hips develop later in the summer.
  • Fall blooming perennial Asters - One of the last bloomers of the season. Great for insects, pollinators and that late season color.
  • Sedums - So many wonderful varieties to choose from. Sun and well drained soil.
  • Prairie Dropseed - Gorgeous, smaller growing native grass. A combination of the seed heads and the fall coloring make this a standout. Must have well drained soil.
  • Tufted Hair Grass - Smaller growing grass with grand seed heads. Use in masses, interplanted with summer blooming perennials, for maximum effect.
  • Goldenrod - Another winner among the pollinators. Pair with ornamental grasses for an attractive prairie look.
Pictured above:  Shenandoah Switchgrass & Prairie Dropseed


  • BULBS:  There's still time to add spring blooming bulbs to your garden! Plant in the next few weeks for best results, and to avoid gardening in the snow.
  • TREE PROTECTORS:  If you haven't already, make sure to install tree guards on any trees that the deer can get to. They are especially fond of rubbing on aspen trees.
  • OUTDOOR FAUCETS:  Turn off all outdoor faucets and bring any faucet timers indoors before freezing temperatures arrive.
  • SPRINKLER SYSTEMS:  If you are waiting to have your sprinkler system blown out and we are expecting freezing temperature...turn the water off, but leave the irrigation timer on. By doing this any water remaining in the system will drain down to the lowest point which is generally plenty far underground to not be damaged by the cold temps.
  • NEW PLANTS:  Continue to water new plants until the ground freezes. This is especially important for evergreens and larger trees!
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Helena, MT 59602

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Gardenwerks · 3225 Cooney Dr. · Helena, Mt 59601 · USA

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